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Social or general fraternities and sororities, in the North American fraternity system, are those that do not promote a particular profession (as professional fraternities are) or discipline (such as service fraternities and sororities). Instead, their primary purposes are often stated as the development of character, literary or leadership ability, or a more simple social purpose. Some organizations in this list have a specific major listed as a traditional emphasis. These organizations are social organizations which cater to students in those majors. Other organizations listed have a traditional emphasis in a specific religion or ethnic background, such as Christian fraternities and sororities. Despite this emphasis, most organizations have non-discrimination membership policies.

Fraternity is usually understood to mean a social organization composed only of men, and sorority one of women, although many women's organizations and co-ed organizations also refer to themselves as fraternities. For the purposes of this article, national also includes international organizations, and local refers to organizations that are composed of only one chapter. This list of North American fraternities and sororities is not exhaustive and does not include local organizations that do not have Wikipedia articles.


Organization Symbol Greek or Latin crest writing[1] Founded Affiliation Traditional emphasis
  (Human Service)
1904 NIC Masonic (Masonic membership no longer required)
   Adelphikos (local) ΑΔΕΛ [sic] ΑΔΕΛΦΙΚΟΣ [sic]
1913 Local, Grove City College Christian
   Alpha Chi Alpha (local) ΑΧΑ Fidelis et Suavis
  (Loyal and sweet)
1919 Local, Dartmouth College Traditional
Alpha Chi Rho (Chapters) ΑΧΡ ΑΝΔΡΙΔΕΣΘΕ
  (Be Men)
1895 NIC Traditional
Alpha Delta (Chapters) ΑΔ Leadership, Brotherhood, Service 2007 Spin-off from ΑΦΩ Service
Alpha Delta Gamma (Chapters) ΑΔΓ Γνωσθέντες εφ φίλων [sic]
  (Known by friends)
1924 NIC Jesuit
Alpha Delta Phi (Chapters) [2] ΑΔΦ MANUS MULTAE COR UNUM
  (many hands one heart)
1832 NIC Originally a secret literary society, now traditional
Alpha Epsilon Pi (Chapters) ΑΕΠ ΕΣΠΟΝΔΑ 1913 Formerly NIC, now FFC Jewish
Alpha Gamma Omega (Chapters) ΑΓΩ ΑΛΦΑ ΓΑΜΜΑ ΩΜΕΓΑ 1927 Unaffiliated national Christian
Alpha Gamma Rho (Chapters) ΑΓΡ Αλφα Γαμμα Ρῶ [sic] 1904 NIC Agricultural
Alpha Kappa Lambda ΑΚΛ Αληθεια και Λογος [sic]
  (Truth and the Word)
1914 NIC Traditional
Alpha Lambda Mu[3] ΑΛΜ 2013 Unaffiliated, national Muslim
Alpha Phi Alpha ΑΦΑ Αλφα Φι Αλφα 1906 NIC, NPHC African-American
Alpha Phi Delta (Chapters) ΑΦΔ FACIAMUS
  (We Do)
1914 NIC Italian-American
  (The cause is hidden, the results well-known)
1845 Formerly NIC, now FFC Originally a sophomore society, now traditional
Alpha Tau Omega (Chapters) ΑΤΩ πι εψιλον πι 1865 NIC and FFC Founded on Christian principles, now traditional
Alpha Psi Rho (Chapters) ΑΨΡ 2000 Unaffiliated national Asian
Beta Chi Theta (Chapters) ΒΧΘ Βητα Χι Θητα 1999 NIC, NAPA South Asian
   Beta Epsilon Gamma Gamma Alpha Rho Sigma (local) ΒΕΓΓΑΡΣ BEGGARS
1923 Local, Loyola University New Orleans Jesuit
Beta Sigma Psi (Chapters) ΒΣΨ PER ASPERA AD ASTRA
  (through adversity to the stars)
1925 NIC Christian
Beta Theta Pi (Chapters) ΒΘΠ ___ και ___ 1839 NIC Traditional
Beta Upsilon Chi (Chapters) ΒΥΧ Brothers Under Christ 1985 NIC Christian
   Bones Gate (local) BG 1901 Local, Dartmouth College Traditional
   Chi Gamma Epsilon (local) ΧΓΕ 1905 (1987) Local, Dartmouth College Traditional
   Chi Heorot (local) ΧH 1897 Local, Dartmouth College Traditional
Chi Phi (Chapters) ΧΦ Chi Phi 1854 NIC Traditional
Chi Psi (Chapters) ΧΨ Chi Psi Fraternity Founded A.D. 1841 1841 NIC Traditional
Delphic of Gamma Sigma Tau (Chapters) ΓΣΤ Δελφικοσ [sic]
1871 Unaffiliated national Multicultural, originally literary society, traditional/social
Delta Chi (Chapters) ΔΧ Leges
1890 NIC Originally a law fraternity, now traditional
Delta Epsilon Psi (Chapters) ΔΕΨ 1998 Formerly NIC South Asian
Delta Kappa Epsilon (Chapters) ΔΚΕ Κηροθεν φιλοι α´ει [sic]
  (Brothers From The Heart, Forever)
1844 NIC Originally secret society, now traditional
Delta Lambda Phi (Chapters) ΔΛΦ Delta Lambda Phi 1986 NIC Gay, bisexual, progressive
Delta Omega Epsilon (Chapters) ΔΩΕ 1985 Unaffiliated national Traditional and multicultural
Delta Phi (Chapters) ΔΦ 1827 NIC Originally secret society, now traditional
   Delta Psi (University of Vermont) (local) [4] ΔΨ 1850 Local, University of Vermont (currently inactive) Originally secret literary society, now traditional
Delta Psi (St. Anthony Hall)[4] ΔΨ 1847 Unaffiliated national, most chapters co-ed See listing under Co-ed groups
   Delta Rho Upsilon (local) ΔΡΥ 1929 Local, Carroll University Local/traditional
Delta Sigma Phi (Chapters) ΔΣΦ Δελτα Σιγμα Φι 1899 NIC Traditional/social
Delta Tau Delta (Chapters) ΔΤΔ Delta Tau Delta 1858 NIC Originally literary society, now traditional
Delta Theta Sigma (Chapters) ΔΘΣ Δελτα Θητα Σιγμα [sic] 1906 Unaffiliated national Agricultural
Delta Upsilon (Chapters) ΔΥ Δικαία Ὑποθήκη
  (Justice, our foundation)
1834 NIC Traditional
Epsilon Tau Pi (Chapters) ΕΤΠ May Eagles Forever Soar 1999 Unaffiliated national Service
FarmHouse (Chapters) FH Farmhouse 1905 1905 NIC Originally agricultural, traditional
Gamma Zeta Alpha (Chapters) ΓΖΑ 1987 NALFO Latino
Iota Nu Delta (Chapters) ΙΝΔ ΑΔΕΛΦΟΣΥΝΗ ΑΙΩΝΙΑ
  (eternal brotherhood)
1994 NIC South Asian
Iota Phi Theta ΙΦΘ 1963 NIC, NPHC African-American
Kappa Alpha Order ΚΑ Dieu Et Les Dames
  (God and the ladies)
1865 Formerly NIC, now FFC Traditional/social
Kappa Alpha Society (Chapters) ΚΑ 1825 NIC Originally literary society, traditional/social
Kappa Alpha Psi (Chapters) ΚΑΨ τελειωσις [sic]
δια φιλανθρωπιαν νοησιν πιστιν [sic]
  (for the true belief in philanthropy)
1911 NIC, NPHC African-American
Kappa Delta Phi (Chapters) ΚΔΦ Καππα Δελτα Φι
  (Kappa Delta Phi)
1900 NIC Traditional
Kappa Delta Rho (Chapters) ΚΔΡ Honor Super Omnia
  (Honor Above All Things)
1905 NIC Traditional
   Kappa Pi Kappa (local) ΚΠΚ 1842 Local, Dartmouth College Traditional
Kappa Sigma (Chapters) ΚΣ ΑΕΚΔΒ 1869 Formerly NIC, unaffiliated international Traditional
Lambda Alpha Upsilon (Chapters) ΛΑΥ Venceremos Porque Nacimos Para Triunfar
  (We will overcome because we are born to triumph)
1985 NALFO Latino
Lambda Chi Alpha (Chapters) ΛΧΑ PER CRUSCEM CRESCENS
  (Crescent in the Cross)
  (Every man a man)
1909 Formerly NIC, unaffiliated international Traditional
   Lambda Iota Society (local) ΛΙ 1836 Local, University of Vermont Originally secret literary society, traditional
  (Leaders Among Men)
1981 NIC, NAPA Asian
Lambda Sigma Upsilon (Chapters) ΛΣΥ Latinos Siempre Unidos
  (Latinos Always United)
1979 NALFO, NIC Latino
Lambda Theta Phi (Chapters) ΛΘΦ 1975 NALFO, NIC Latino
Lambda Upsilon Lambda (Chapters) ΛΥΛ La Unidad Para Siempre
  (The Unity Forever)
1982 NALFO Latino
Nu Alpha Kappa (Chapters) ΝΑΚ 1988 NIC Latino
Nu Sigma Beta ΝΣΒ 1937 CIPFI Puerto Rican
  (Unity, Honesty, Integrity, Leadership)
1987 Formerly NIC Originally Latino, now multicultural
Omega Phi Gamma (Chapters) ΩΦΓ ΦΙΝΙΡΕ ΑΔ ΗΟΝΟΣ
   (Bound by Honor)
   (Rise above All)
(Latin phrase written in Greek characters)
1995 Unaffiliated national Asian, multicultural
Omega Psi Phi (Chapters) ΩΨΦ 1911 NPHC African-American
   Pan Sophic (local) Brotherhood, Love, & Loyalty 1911 Local, Grove City College Traditional/social
   Phi Beta Epsilon (local) ΦΒΕ 1890 Local, Massachusetts Institute of Technology Traditional
Phi Beta Sigma (Chapters) ΦΒΣ 1914 Formerly NIC, NPHC African-American
   Phi Delta Alpha (local) ΦΔΑ 1884 Local, Dartmouth College Traditional
Phi Delta Gamma ΦΔΓ 1942 CIPFI Puerto Rican
Phi Delta Psi ΦΔΨ 1977 Unaffiliated national African-American
Phi Delta Theta (Chapters) ΦΔΘ Εἰς ἀνῆρ οὐδείς ἀνῆρ
  (One man is no man)
1848 Formerly NIC, unaffiliated international Originally nonsectarian, traditional
Phi Epsilon Chi ΦΕΧ Yo soy Phi Epsilon de corazón
  (I am Phi Epsilon from the heart)
1943 CIPFI Puerto Rican
   Phi Eta Kappa (local) ΦΗΚ 1906 Local, University of Maine Traditional
Phi Eta Mu ΦΗΜ 1923 CIPFI Puerto Rican
Phi Gamma Delta (Chapters) ΦΓΔ / FIJI Φιλότης Γλυκυτάτη Δυναστεία
  (Friendship, the Sweetest Influence)
1848 NIC Traditional
  (Always ready always joined)
1931 NIC Latino
Phi Kappa Pi (Chapters) ΦΚΠ Φιλαδελφια Καναδαιοι Παιδευομεθα
  (We are raised Canadians in philadelphy)
1913 Unaffiliated, Canadian national Traditional
Phi Kappa Psi (Chapters) ΦΚΨ 1852 NIC Originally service, traditional
Phi Kappa Sigma (Chapters) ΦΚΣ Stellis Aequus Durando
  (Equal to the Stars in Endurance)
1850 NIC Originally secret order, traditional
Phi Kappa Tau (Chapters) ΦΚΤ ΑΞΙΟΣ ΕΣΤΙ Η ΤΗΝ ΝΙΚΗΝ
  (Is worthy of the victory)
1906 NIC Traditional
Phi Kappa Theta (Chapters) ΦΚΘ Give, expecting nothing thereof. 1889 NIC Originally Catholic, traditional
Phi Lambda Chi (Chapters) ΦΛΧ 1925 NIC Traditional
Phi Mu Alpha Sinfonia (Chapters) ΦΜΑ 1898 NIMC Music
Phi Mu Delta (Chapters) ΦΜΔ 1918 NIC Originally Commons Club, traditional
Phi Rho Eta (Chapters) ΦΡΗ 1994 Unaffiliated national African-American
Phi Sigma Alpha (Chapters) ΦΣΑ OMNE RARUM CARUM
  (All that is rare is wanted)
1928 CIPFI Puerto Rican/Hispanic
Phi Sigma Gamma (Chapters) ΦΣΓ 1915 Unaffiliated local, former national Osteopathic medicine
Phi Sigma Kappa (Chapters) ΦΣΚ 1873 NIC Traditional
Phi Sigma Nu (Chapters) ΦΣΝ 1996 Unaffiliated national Native American
Phi Sigma Phi (Chapters) ΦΣΦ Φι Σιγμα Φι 1988 NIC Traditional
Pi Alpha Phi (Chapters) ΠΑΦ Πι Αλφα Φι 1929 NAPA Asian
Pi Delta Psi (Chapters) ΠΔΨ 1994 NAPA Asian
Pi Kappa Alpha ΠΚΑ φφκα 1868 NIC Traditional
  (Nothing shall tear us asunder)
1904 NIC Traditional
Pi Lambda Phi (Chapters) ΠΛΦ NOSTROS AMEMUS
  (love our own)
1895 NIC Traditional
Psi Sigma Phi (Chapters) ΨΣΦ 1990 NMGC Multicultural
Psi Upsilon (Chapters) [5] ΨΥ ΥΜΙΝ ΣΥΝΕΠΕΣΕ ΣΦΟΔΡΑ ΦΙΛΙΑ
  (Unto us has befallen a mighty friendship)
1833 NIC Originally a literary society, now traditional
   Seal and Serpent (local) 1905 Local, Cornell University Traditional
Sigma Alpha Epsilon (Chapters) ΣΑΕ ΣΙΓΜΑ ΑΛΦΑ ΕΨΙΛΟΝ 1856 NIC Traditional
Sigma Alpha Mu (Chapters) ΣΑΜ ΣΙΓΜΑ ΑΛΦΑ ΜΥ 1909 NIC Originally Jewish, now traditional
Sigma Beta Rho (Chapters) ΣΒΡ 1996 NIC, NAPA Multicultural
Sigma Chi (Chapters) ΣΧ In Hoc Signo Vinces
  (In This Sign You Shall Conquer)
1855 NIC Originally literary society, traditional
Sigma Delta Alpha (Chapters) ΣΔΑ Excelencia Y Lealtad Entre Hermanos
  (Excellence and Loyalty Amongst Brothers)
1992 Unaffiliated national Latino
Sigma Lambda Beta (Chapters) ΣΛΒ 1986 Unaffiliated national Latino
Sigma Nu (Chapters) ΣΝ 1869 NIC Originally anti-hazing, traditional
Sigma Phi Delta (Chapters) ΣΦΔ Σίγμα Φί Δέλτα 1924 Formerly NIC, unaffiliated national Engineering
Sigma Phi Epsilon (Chapters) ΣΦΕ Σίγμα Φί Ἕψιλόν 1901 Formerly NIC, unaffiliated national Traditional
Sigma Phi Society (Chapters) ΣΦ 1827 NIC Originally secret society, traditional
Sigma Pi (Chapters) ΣΠ ΣΕΒΑΣΤΗ ΠΙΣΤΗΣ
  (Reverend Faith)
1897 Formerly NIC Originally literary society, traditional
Sigma Tau Gamma (Chapters) ΣΤΓ 1920 NIC Originally literary society, traditional
Sigma Thêta Pi (Chapters) ΣΘΠ Fraternitas, animi excelsitas ac dignitas
  (Fraternity, height and dignity of the soul)
2003 Unaffiliated national Francophone Greek
Tau Delta Phi ΤΔΦ ΤΑΥ ΔΕΛΤΑ ΦΙ 1910 NIC Jewish social
Tau Epsilon Phi (Chapters) ΤΕΦ Ταύ Εψιλόν Φί 1910 NIC Jewish social
Tau Kappa Epsilon (Chapters) ΤΚΕ 1899 Formerly NIC, unaffiliated international Traditional
Tau Phi Sigma (Chapters) ΤΦΣ 1992 NIC Service and social, multicultural
Theta Chi (Chapters) ΘΧ ΘΗΡΟΠΟΣΑ ΧΕΙΡ
  (Assisting Hand)
1856 Formerly NIC, now FFC Traditional/social
Theta Delta Chi (Chapters) ΘΔΧ ὀμόφρονα θυμόν ἔχοντες
  (Having united will)
1847 NIC Originally secret society, traditional/social
Theta Xi (Chapters) ΘΞ Juncti Juvant
  (United they Serve)
1864 NIC Originally engineering, social
Triangle Fraternity (Chapters) Veritas Omnia Vincit
  (Truth Conquers All)
1907 NIC Engineering, architecture, and science
   Trojan Knights (local) 1921 Local, University of Southern California Traditional
Zeta Beta Tau (Chapters) ΖΒΤ 1898 NIC Originally Jewish, traditional
   Zeta Chi (local) ΖΧ 1905 Local, Baker University Traditional
Zeta Phi Rho (Chapters) ΖΦΡ 1995 Unaffiliated national Multicultural
Zeta Psi (Chapters) ΖΨ 1847 NIC Traditional/social

Sororities and women's fraternities

Organization Symbol Greek or Latin crest writing[1] Founded Affiliation Traditional emphasis
Alpha Chi Omega ΑΧΩ Συσπουδάσωμεν τά ανώτατα
  (Together Let Us Seek the Heights)
1885 NPC Originally music, now traditional
Alpha Delta Chi ΑΔΧ Katoptriozomai
  (Reflected in mirror)
(Greek in Latin characters writing)
1925 Unaffiliated Christian
Alpha Delta Pi (Chapters) ΑΔΠ Ζῶμεν Ἀλλήλοις
  (We live for each other)
1851 NPC Originally secret society, traditional
Alpha Epsilon Phi (Chapters) ΑΕΦ ΑΛΦΑ ΕΨΙΛΟΝ ΦΙ 1909 NPC Originally Jewish, traditional
Alpha Gamma Delta (Chapters) ΑΓΔ ΑΛΦΑ ΓΑΜΜΑ ΔΕΛΤΑ 1904 NPC Traditional
Alpha Kappa Alpha ΑΚΑ ΟΦΕΛΥΟΜΕΝ ΥΠΗΡΕΤΙΔΕΣ 1908 NPHC African-American
alpha Kappa Delta Phi αΚΔΦ 1990 NAPA Asian
Alpha Omicron Pi (Chapters) ΑΟΠ 1897 NPC Traditional
Alpha Phi (Chapters) ΑΦ ζευξις χειρι εν χειρι
  (Union hand in hand)
1872 NPC Traditional
Alpha Phi Gamma ΑΦΓ Σιγμα Αλπηα Αλπηα [sic] 1994 NAPA Asian
Alpha Pi Omega ΑΠΩ 1994 Unaffiliated Native American
Alpha Sigma Alpha (Chapters) ΑΣΑ ΑΓΑΣΘΕ ΣΠΕΥΔΕΤΕ ΑΙΡΕΣΘΕ
  (Aspire, seek, attain)
1901 NPC Originally education, now traditional
Alpha Sigma Kappa (Chapters) ΑΣΚ 1989 Unaffiliated national Math, architecture, engineering, and science
Alpha Sigma Rho ΑΣΡ 1998 NAPA Asian
Alpha Sigma Tau (Chapters) ΑΣΤ Αλφα Σιγμα Ταυ 1899 NPC Originally education, now traditional
Alpha Xi Delta (Chapters) ΑΞΔ Αλφα Ξι Δελτα
  (Realize your potential)
1893 NPC Traditional
Beta Sigma Phi (Chapters) ΒΣΦ Vita Scientia Amicitia
  (Life, Learning and Friendship)
1931[6] Unaffiliated international Non-collegiate sorority
Ceres 1984 Unaffiliated Agricultural
Chi Delta Theta ΧΔΘ 1989 Unaffiliated Asian, multicultural
Chi Omega (Chapters) ΧΩ 1895 NPC Traditional
Chi Upsilon Sigma ΧΥΣ 1980 NALFO Latina
Clovia 1931 Unaffiliated 4-H origin
Delta Delta Delta ΔΔΔ Ἀσφαλῶς Ἀγαπῶμεν Ἀλλήλας
  (Let us steadfastly love one another)
1888 NPC Traditional
Delta Gamma ΔΓ 1873 NPC Traditional
Delta Kappa Delta ΔΚΔ 1999 NAPA South Asian
Delta Phi Epsilon (Chapters) ΔΦΕ ESSE QUAM VIDERI
  (To be rather than to seem to be)
1917 NPC Non-sectarian/Traditional
Delta Phi Lambda ΔΦΛ 1998 NAPA Asian
Delta Phi Omega (Chapters granted) ΔΦΩ 1998 NAPA South Asian
Delta Sigma Theta (Chapters) ΔΣΘ ΔΕΛΤΑ ΣΙΓΜΑ ΘΕΤΑ [sic] 1913 NPHC African-American
Delta Tau Lambda ΔΤΛ δελτα ταυ λαμβδα 1994 Unaffiliated national Latina
Delta Theta Tau ΔΘΤ 1903 Unaffiliated national Multicultural
Delta Xi Nu ΔΞΝ 1997 Unaffiliated national Multicultural
Delta Xi Phi ΔΞΦ ΔΕΛΤΑ ΞΙ ΦΙ 1994 NMGC Multicultural
Delta Zeta (Chapters) ΔΖ Δια Καρτερου Ζωπυρον
  (Via strong fire)
1902 NPC Traditional
Eta Gamma Delta ΗΓΔ 1928 CIPFI Puerto Rican
Gamma Alpha Omega ΓΑΩ Nos Una Crescemus
  (United We Will Grow)
1993 NALFO Latina
Gamma Eta ΓΗ 1995 NMGC Multicultural
Gamma Phi Beta (Chapters) ΓΦΒ 1874 NPC Traditional
Gamma Rho Lambda ΓΡΛ 2003 Unaffiliated national LGBTQ
Kappa Alpha Theta (Chapters) ΚΑΘ ΚΑΠΠΑ ΑΛΦΑ ΘΗΤΑ 1870 NPC Traditional
Kappa Beta Gamma (Chapters) ΚΒΓ 1917 Unaffiliated international Traditional
Kappa Delta (Chapters) ΚΔ Τα Καλά Διώκομεν
  (Seeking the good)
1897 NPC Traditional
Kappa Delta Chi ΚΔΧ 1987 NALFO Latina
Kappa Kappa Gamma (Chapters) ΚΚΓ 1870 NPC Traditional
  (Sisterhood, Service, Diversity)
1995 NAPA Asian
Kappa Theta Epsilon ΚΘΕ Αμιχιτια Περπετυο Τενετυρ
  (Reach New Heights)
(Latin phrase written in Greek characters)
2009 Unaffiliated national Lesbian
   Lambda Delta Sigma (local) ΛΔΣ 1919 Local (Concordia College) Originally Literary, Now Traditional and Service
Lambda Pi Chi ΛΠΧ 1988 NALFO Latina
Lambda Pi Upsilon ΛΠΥ 1992 NALFO Latina
Lambda Psi Delta ΛΨΔ 1997 NMGC Multicultural
Lambda Sigma Gamma ΛΣΓ 1986 NMGC Multicultural
Lambda Tau Omega ΛΤΩ 1988 NMGC Multicultural
Lambda Theta Alpha ΛΘΑ 1975 NALFO Latina
Lambda Theta Nu ΛΘΝ 1986 NALFO Latina
Mu Alpha Phi ΜΑΦ 1927 CIPFI Puerto Rican
Mu Epsilon Theta ΜΕΘ 1987 Unaffiliated national Catholic
Mu Sigma Upsilon ΜΣΥ Mujeres Siempre Unidas
  (Women Always United)
1981 NMGC Multicultural
National Society of Pershing Angels 1962 Unaffiliated Military drill
Omega Phi Beta ΩΦΒ 1989 NALFO Multicultural
Omega Phi Chi ΩΦΧ 1988 NMGC Multicultural
Omicron Epsilon Pi ΟΕΠ 2000 Unaffiliated African American
Phi Beta Chi ΦΒΧ Amor Via Vitae in Christo
  (Love through Life in Christ)
1978 Unaffiliated national Lutheran
Phi Mu (Chapters) ΦΜ Les Soeurs Fideles
  (The Faithful Sisters)
1852 NPC Traditional
Phi Sigma Rho (Chapters) ΦΣΡ Μαζί κτίζομεν το μέλλον
  (Together we build the future)
1984 Unaffiliated National Science, Technology, Engineering, Mathematics
Phi Sigma Sigma (Chapters) ΦΣΣ Διωκετε Υψηλα
  (Aim high)
1913 NPC Non-sectarian/Traditional
Pi Beta Phi (Chapters) ΠΒΦ 1867 NPC Traditional
Sigma Alpha Epsilon Pi (Chapters) ΣΑΕΠ 1998 Unaffiliated national Jewish
Sigma Alpha Omega (Chapters) ΣΑΩ 1998 Unaffiliated national Christian
Sigma Delta Tau (Chapters) ΣΔΤ Patriae Multae Spes Una
  (One Hope of Many People)
1917 NPC Originally Jewish, traditional
Sigma Gamma Rho ΣΓΡ 1922 NPHC African-American
Sigma Iota Alpha ΣΙΑ Semper Unum et Inseparabilis
  (Always One and Inseparable)
1990 NALFO Latina
Sigma Kappa (Chapters) ΣΚ 1874 NPC Traditional
Sigma Lambda Alpha ΣΛΑ 1992 Unaffiliated national Latina
Sigma Lambda Gamma (Chapters) ΣΛΓ 1990 Unaffiliated national Latina
Sigma Lambda Upsilon (Chapters) ΣΛΥ 1987 NALFO Latina
Sigma Omicron Epsilon ΣΟΕ 1997 Unaffiliated Native American
Sigma Omicron Pi ΣΟΠ 1930 NAPA Asian
Sigma Phi Lambda (Chapters) ΣΦΛ 1988 Unaffiliated national Christian
Sigma Phi Omega ΣΦΩ 1949 Unaffiliated national Asian
Sigma Pi Alpha ΣΠΑ 1996 Unaffiliated Chicana/Latina
   Sigma Psi (local) ΣΨ 1896 Local, Case Western Reserve University Traditional
Sigma Psi Zeta ΣΨΖ 1994 NAPA Asian
Sigma Sigma Sigma (Chapters) ΣΣΣ Πιστός εϊς θάνατον
  (Faithful unto death)
1898 NPC Originally education, now traditional
Theta Nu Xi ΘΝΞ 1997 NMGC Multicultural
Theta Phi Alpha (Chapters) ΘΦΑ 1912 NPC Originally Catholic, traditional
Zeta Chi Phi ΖΧΦ 2003 Unaffiliated national Multicultural
Zeta Phi Beta ΖΦΒ παντα ἐργασία νίκα
  (labor always wins)
1920 NPHC African-American
Zeta Sigma Chi ΖΣΧ Keeping the dream alive 1991 Unaffiliated national Multicultural
Zeta Tau Alpha (Chapters) ΖΤΑ 1898 NPC Traditional

Coeducational fraternities

Coeducational fraternities permit both male and female members.

Organization Symbol Greek or Latin crest writing[1] Founded Coed Since Affiliation Traditional emphasis
   Alpha Theta (local) ΑΘ 1920 1972-76,1980 Local, Dartmouth College Traditional
Alpha Delta Phi Society (Chapters) [2] ΑΔΦ 1832 1973, 1992 (Official Split from Fraternity) Unaffiliated national Literary and traditional
Alpha Psi Lambda (Chapters) ΑΨΛ 1985 1985 NALFO Latino
St. Anthony Hall (Delta Psi) (Chapters) [4] ΔΨ 1847 1971 Unaffiliated national, most chapters co-ed Literary and social
   Eclectic Society (Phi Nu Theta) (local) ΦΝΘ 1838 1970 Local, Wesleyan University Traditional
Lambda Lambda Lambda (Chapters) ΛΛΛ Insisto Duodecim
  (Follow the Twelve)
2006 2006 Unaffiliated national Traditional
Theta Delta Sigma (Chapters) ΘΔΣ Θετα Δελτα Σεγμα 2001 2001 Unaffiliated national Multicultural
   Theta Pi Sigma (local) ΘΠΣ 2005 2005 Local, University of California at Santa Cruz LGBTQ
   Zeta Delta Xi (local) ΖΔΞ 1852 1982, 1986 (Official Split from Fraternity) Local, Brown University Traditional
   Phi Tau (local) ΦΤ 1905 1972 Local, Dartmouth College Traditional
Psi Upsilon (Chapters) [5] ΨΥ ἨΜΊΝ ΣΥΝΈΠΕΣΕ ΣΦΟΔΡΆ ΦΙΛΊΑ
  (Unto us has befallen a mighty friendship)
1833 1971 NIC, 7 of 27 Chapters Coed Traditional
   The Tabard (Sigma Epsilon Chi) (local) ΣΕΧ 1857 1972 Local, Dartmouth College Traditional
Sigma Mu Sigma (Chapters) ΣΜΣ 1921 1984 Unaffiliated national, 2 chapters remain Traditional

Defunct national organizations

These organizations had three or more chapters before ending operations. Some negotiated a national merger, others had their chapters scattered to multiple fraternities, or simply dissolved.

Organization Type Symbol Operation range Merger partner
Alpha Delta Alpha Men's ΑΔΑ 1920December 1934 Scattered
Alpha Delta Theta Women's ΑΔΘ 19191939 Phi Mu
Alpha Gamma Men's ΑΓ 18671885 Alpha Tau Omega, and scattered
Alpha Gamma Upsilon Men's ΑΓΥ 1922May 1965 Alpha Sigma Phi, and scattered
Alpha Kappa Psi Women's ΑΚΨ 19001920 Delta Delta Delta, and scattered
Alpha Kappa Pi Men's ΑΚΠ 19211946 Alpha Sigma Phi
Alpha Lambda Tau Men's ΑΛΤ 19161946 Tau Kappa Epsilon and scattered
Alpha Sigma Delta Women's ΑΣΔ 19191932 Lambda Omega (see Delta Zeta)
Beta Kappa Men's ΒΚ 19011942 Theta Chi
Beta Phi Alpha Women's ΒΦΑ 19191941 Delta Zeta
Beta Sigma Omicron Women's ΒΣΟ 18881964 Zeta Tau Alpha
Beta Sigma Rho Men's ΒΣΡ 19101972 Pi Lambda Phi
Delta Alpha Pi Men's ΔΑΠ 19191935 Phi Mu Delta
Delta Kappa Fraternity Men's ΔΚ 19201964 Sigma Pi
Delta Sigma Epsilon Women's ΔΣΕ 19141956 Delta Zeta
Delta Sigma Lambda Men's ΔΣΛ 19211937 Theta Chi
Theta Kappa Nu Men's ΘΚΝ 19241939 Lambda Chi Alpha
Theta Kappa Phi Men's ΘΚΦ 19191959 Merged, to create Phi Kappa Theta
Theta Sigma Upsilon Women's ΘΣΥ 19211959 Alpha Gamma Delta
Theta Upsilon Women's ΘΥ 19211962 Delta Zeta
Theta Upsilon Omega Men's ΘΥΩ 19231938 Sigma Phi Epsilon
Iota Alpha Pi Women's ΙΑΠ 19031971 Disbanded
Kappa Nu Men's ΚΝ 19111961 Phi Epsilon Pi
Kappa Phi Lambda Men's ΚΦΛ 18621874 Scattered
Lambda Omega Women's ΛΩ 19151933 Delta Zeta
Omicron Alpha Tau Men's ΟΑΤ 19121934 Tau Delta Phi
Pi Delta Kappa Women's ΠΔΚ 19071913 Chi Omega
Pi Kappa Sigma Women's ΠΚΣ 18941959 Sigma Kappa
Pi Lambda Sigma Women's ΠΛΣ 19211952 Theta Phi Alpha
Pi Sigma Gamma Women's ΠΣΓ 19191932 Beta Sigma Omicron
Sigma Delta Rho Men's ΣΔΡ 19211935 Alpha Kappa Pi and scattered
Sigma Delta Chi (sorority) Women's ΣΔΧ April 1902November 11, 1915 Sigma Sigma Sigma
Sigma Iota Men's ΣΙ 19041931 Phi Iota Alpha
Sigma Lambda Pi Men's ΣΛΠ 19151932 Phi Epsilon Pi
Sigma Mu Sigma[7] Men's ΣΜΣ 19211935 Tau Kappa Epsilon
Sigma Tau Phi Men's ΣΤΦ 19181947 Alpha Epsilon Pi
Sigma Phi Beta Women's ΣΦΒ 19201933 Phi Omega Pi
Sigma Phi Sigma Men's ΣΦΣ 19081947 Phi Sigma Kappa and scattered
Phi Alpha Men's ΦΑ 19141959 Phi Sigma Delta
Phi Beta Delta Men's ΦΒΔ 19121941 Pi Lambda Phi
Phi Epsilon Pi Men's ΦΕΠ 19041970 Zeta Beta Tau
Phi Kappa Men's ΦΚ 18891959 Merged, to create Phi Kappa Theta
Phi Lambda Alpha Men's ΦΛΑ 19191931 Phi Iota Alpha
Phi Lambda Theta Men's ΦΛΘ 19201939 Scattered
Phi Pi Phi Men's ΦΠΦ 19151939 Alpha Sigma Phi
Phi Sigma Delta Men's ΦΣΔ 19091969 Zeta Beta Tau
Phi Sigma Epsilon Men's ΦΣΕ 19101985 Phi Sigma Kappa
Phi Omega Pi Women's ΦΩΠ 19221946 Delta Zeta

See also


  1. ^ a b c Any text in Greek or Latin writing contained within the crests. This does not necessarily correspond to the motto. A few are in Spanish or in French. The orthography and punctuation are as depicted in the crest's writing, and not necessarily grammatically correct.
  2. ^ a b ΑΔΦ is listed both among the fraternities and the co-educational groups.
  3. ^ Spencer, Kyle (2014-02-06). "Fraternity Life, Islamic Style (Published 2014)". The New York Times. ISSN 0362-4331. Retrieved 2020-11-17.
  4. ^ a b c This organization is listed both among the Fraternities under Delta Psi and within the co-ed groups.
  5. ^ a b ΨΥ is listed both among the fraternities and the co-educational groups.
  6. ^ "BSP History".
  7. ^ Sigma Mu Sigma was later revived, with further merger activity.