Arianism is a nontrinitarian Christological doctrine.

Arian may also refer to:

Pertaining to Arius

• A follower of Arius, a Christian presbyter in the 3rd and 4th century
• Arian controversy, several controversies which divided the early Christian church
• Arian fragment, Arian palimpsest

People

Groups of people

• Arians or Areians, ancient people living in Ariana (origin of the modern name Iran)
  • Aryan, a term associated with the Proto-Indo-Iranians
  • Aryan race, the racial concept
• An inhabitant of Aria (today's Herat, Afghanistan), used by the ancient and medieval Greeks (as Ἄρ(ε)ιοι/Ar(e)ioi) and Romans (as Arii)

Given name

• Arian Asllani (born 1983), American rapper known as Action Bronson
• Arian Bimo (born 1959), Albanian footballer
• Arian Çuliqi, Albanian television director and screenwriter
• Arian Foster (born 1986), American football player
• Arian Hametaj (born 1957), Albanian footballer
• Arián Iznaga, Cuban Paralympian sprinter
• Arian Kabashi (born 1996), Kosovan footballer
• Arian Kabashi (born 1997), Swedish footballer
• Arlan Lerio (born 1976), Filipino boxer
• Arian Leviste (born 1970), American electronic music artist, producer, and DJ
• Arian Moayed (born 1980), Iranian-born American actor and theater producer
• Arian Moreno (born 2003), Venezuelan footballer
• Arian Nik (born 1994), British actor

Surname

Arian is a surname that originated in Ancient Persia

• Arman Arian (born 1981), Iranian author, novelist and researcher
• Asher Arian (1938–2010), American political scientist
• Asma Arian, German-Qatari human rights activist
• Laila Al-Arian (born 1980s), American broadcast journalist
• Sami Al-Arian (born 1958), Palestinian-American civil rights activist
• Praskovia Arian (1864–1949) Russian and Soviet writer and feminist
• Bruce Arians (born 1952), American football coach and former player
• Jake Arians (born 1978), American football player

Other

• Arian (band), a pop band in Iran
• Arian (newspaper), an Iranian newspaper since 1914
• Arian, an outsider's name for a member of the Polish Brethren
• Arian, a person born under the constellation Aries (astrology)