Koch (/koʊk, kɒtʃ, kɒx/ KOHK, KOTCH, KOKH, US also /kɔːk/ KAWK,^[1] German: [kɔx] ^ⓘ) is a German surname that means "cook" or "chef".

A–C

• Adam Koch (born 1988), American professional basketball player
• Adolf Koch (1896–1970), German school teacher and leader of the Freikörperkultur
• Alan Koch (baseball) (1938–2015), retired American professional baseball player
• Alan Koch (soccer) (born 1975), South African and Canadian football/soccer coach
• Alexander Koch (disambiguation), several people
• Alfred Koch (born 1961), Russian writer, mathematician-economist, and businessman of ethnic German origin
• Alfred Michael Koch (1894–?), Swiss-born Canadian flying ace
• Amy Koch (born 1971), member of the Minnesota Senate
• Andreas Koch (born 1966), Austrian former footballer
• Anton Koch (disambiguation), several people
• Aubrey Koch (1904–1975), pioneering Australian aviator
• Beat Koch (born 1972), Swiss cross country skier
• Beate Koch (born 1967), former German athlete
• Bernward Koch (born 1957), German composer, pianist and keyboardist
• Berthold Koch (1899–1988), German chess master
• Bill Koch (businessman) (born 1940), William I. "Bill" Koch, America's Cup yachtsman, businessman, son of Fred C. Koch
• Bill Koch (skier) (born 1955), cross-country skier
• Billy Koch (born 1974), Major league baseball relief pitcher
• Blake Koch (born 1985), American race car driver
• Bobby Koch (born 1960), CEO of the Wine Institute
• Carl Koch (director) (1892–1963), German film director and writer
• Carl Koch (architect) (1912–1998), American architect
• Carl Ludwig Koch (1778–1857), German entomologist and arachnologist, father of Ludwig Carl Christian Koch
• Carin Koch (born 1971), Swedish professional golfer
• Cary Koch (born 1986), American professional football wide receiver playing for the Saskatchewan Roughriders
• Cees Koch (athlete) (1936–2021), Dutch discus thrower
• Charles Koch (born 1935), heir and CEO of Koch Industries and co-founder of the free-market Cato Institute
• Chris Koch (director), American film director
• Christiane Koch, German physicist
• Christina Koch (born 1979), American astronaut
• Christof Koch (born 1956), American neuroscientist
• Christopher Koch (1932–2013), Australian novelist
• Ciril Metod Koch (1867–1925), Slovene architect

D–G

• Dagfinn Koch, Norwegian musician
• Dan Koch (born 1983), American musician, lead guitarist and principal songwriter for the indie rock band Sherwood
• Daniel Koch (Swiss physician) (born 1955), Swiss physician
• Daniel Koch (American politician) (1816–1903), Pennsylvania politician
• David Koch (Australian politician) (born 1949), member of the Victorian Legislative Council
• David Koch (television presenter), Australian financial analyst and TV presenter
• David Koch (1940–2019), businessman, 1980 Libertarian Party vice-presidential candidate, heir to Koch Industries, son of Fred C. Koch
• Des Koch (1932–1991), American athlete
• Dieter-Lebrecht Koch (born 1953), German politician
• Dietrich Koch (1916–2002), Oberleutnant der Reserve in the Wehrmacht during World War II
• Dora Koch-Stetter (1881–1968), (aka Dora Stetter), German landscape artist, portrait painter and etcher
• Dorothy Bush Koch (born 1959), daughter of the 41st president of the US, George Herbert Walker Bush
• Ed Koch (1924–2013), 105th mayor of New York City 1978–1989
• Edeltraud Koch, retired German swimmer
• Ehrhardt Koch (1886–1954), German American businessman
• Eleonore Koch (1926–2018), German-born Brazilian artist
• Eric Koch (1919–2018), German-born Canadian author, broadcaster, and professor
• Erich Koch (1896–1986), Gauleiter of East Prussia
• Erik Koch (born 1988), American martial artist
• Erland Koch (1867–1945), German sports shooter
• Fabian Koch (born 1989), Austrian footballer
• Florian Koch (born 1992), German basketball player
• Franz Koch (disambiguation), several people
• Franziska Romana Koch (1748–1796), German operatic soprano
• Fred C. Koch (1900–1967), American chemical engineer and entrepreneur, founder of Koch Industries
• Fred Conrad Koch (1876–1948), American biochemist
• Freddy Koch (1916–1980), Danish film actor
• Frederick R. Koch (1933–2020), American collector and philanthropist, son of Fred C. Koch
• Friedrich Koch (1862–1927), German composer
• Friedrich Koch (general) (1879–1961), German general
• Gabriele Koch, German studio potter
• Gaetano Koch (1849–1910), Italian architect
• Gareth Koch (born 1962), Australian classical guitarist
• Gary Koch (born 1952), American professional golfer
• George Koch (1919–1966), American football player
• George W. Koch (1871–1908), American politician
• Georg Koch (born 1972), German football goalkeeper
• Gertrud Koch (1924–2016), German resistance fighter
• Gini Koch, American science fiction, fantasy, and horror writer
• Greg Koch (born 1955), former American football tackle
• Greg Koch (musician) (born June 23, 1966), American musician - guitar player

H–K

• Hans Koch (1893–1945), German lawyer
• Hans Koch (SS man) (1912–1955), German SS-Unterscharführer and member of staff at Auschwitz concentration camp
• Hans-Reinhard Koch (1929–2018), German Roman Catholic prelate
• Harald Koch (born 1969), Austrian badminton player
• Harry Koch (German footballer) (born 1969), German footballer and coach
• Harry Koch (businessman) (1867–1942), Dutch-born American businessman
• Hawk Koch (born 1945), American film producer
• Heather Koch (Heather Button), Born 1986, Wisconsin Hair Designer
• Helge von Koch (1870–1924), Swedish mathematician, originator of the eponymous "Koch snowflake"
• Helmut Koch (conductor) (1908–1975), German conductor, choir leader, broadcasting manager, composer and academic teacher
• Henny Koch (1854–1925), German children's author and translator
• Henri Koch (disambiguation), several people, including:
  • Henri Koch (bobsledder) (born 1904, date of death unknown), Luxembourgish bobsledder
• Henriette Koch, Danish sports sailor
• Henry C. Koch (1841–1910), German-American architect
• Herbert Koch (born 1962), German mathematician
• Herman Koch (born 1953), Dutch writer and actor
• Howard E. Koch (1901–1995), American screenwriter
• Howard W. Koch (1916–2001), American film director/producer
• Hugo Koch (1870–1928), Dutch inventor
• Ilse Koch (1906–1967), German personality, "The Bitch of Buchenwald", wife of Karl Otto Koch
• Jan Koch (born 1995), German footballer
• Jerry Koch, American basketball player
• Jesper Koch, Danish composer
• Jim Koch, American brewer, founder of Boston Beer Company
• John Koch, American painter
• Johan Peter Koch, Danish captain and explorer
• Jonathan Koch (disambiguation), several people
• Joseph Koch, American lawyer, politician, and judge
• Joseph Anton Koch, Austrian painter
• Jørgen Hansen Koch, Danish architect
• Julian Koch (born 1990), German football player
• Julius August Koch (1752–1817), German astronomer
• Julius Ludwig August Koch, German psychiatrist
• Julius Koch (1872–1902), exceptionally tall man
• Jurij Koch, Sorbian writer
• Jürgen Koch, Austrian badminton player
• Karen Koch, American ice hockey goaltender
• Karl Koch (disambiguation), several people, including:
  • Karl Koch (botanist), German botanist
  • Karl-Otto Koch, German first commandant of the Buchenwald concentration camp (1897-1945)
• Karl-Rudolf Koch, German geodesist and professor
• Kenneth Koch, American poet
• Klaus Koch, German Old Testament Scholar
• Konrad Koch, German teacher and football pioneer
• Kurt Koch, Swiss Cardinal of the Roman Catholic Church
• Kurt E. Koch, Protestant theologian and writer (best known for books on the occult and on the work of the Holy Spirit)
• Kyle Koch, Canadian football offensive lineman

L–R

• Lauge Koch (1892–1964), Danish expedition leader in Greenland
• Lothar Koch (1935–2003), German oboist
• Ludwig Koch (disambiguation), several people, including:
• Ludwig Carl Christian Koch (1825–1908), German entomologist and arachnologist, son of Carl Ludwig Koch
  • Ludwig Koch (painter) (1866–1934), Austrian equestrian painter
• Lydia Lunch (born 1959), American musician, singer, poet, spoken word performer, born Lydia Konch
• Marco Koch (born 1990), German swimmer
• Marianne Koch (born 1931), German actress and physician
• Marita Koch (born 1957), German sprint athlete
• Mariza Koch (born 1944), Greek folk singer
• Markus Koch (born 1963), American football defensive lineman
• Martin Koch (novelist) (1882–1940), Swedish novelist
• Martin Koch (ski jumper) (born 1982), Austrian ski jumper
• Máté Tamás Koch (born 1999), Hungarian épée fencer
• Matt Koch (born 1990), American baseball player
• Matthias Koch (born 1988), Austrian football midfielder
• Max Koch (disambiguation), several people, including:
  • Max Koch (1854–1925), Australian botanist
  • Max Koch (academic) (1855–1931), German historian and literary critic
  • Max Friedrich Koch, German history painter
• Meinolf Koch (born 1957), retired German football player
• Michael Andrew Koch (born 1949), American, businessman
• Michael Koch (disambiguation), several people, including:
  • Michael Koch (born 1982), Swiss film director and screenwriter
  • Michel Koch (born 1991), German track and road racing cyclist
• Mogens Koch (1898–1992), Danish architect
• Noppie Koch (1932–2010), Dutch cyclist and pacer
• Norma Koch (1898–1979), Academy Award winning costume designer
• Nynne Koch (1915–2001), Danish novelist and women's studies researcher
• Patrik Koch, Slovak ice hockey player
• Paulie Koch (born 1996), world champion wakeboarder
• Pauline Koch (1858–1920), Albert Einstein's mother
• Philippe Koch (born 1991), Swiss football defender
• Pete Koch (born 1962), American football player and actor
• Peter Koch (wood scientist) (1920–1998), American wood scientist and industrial engineer
• Peter Rutledge Koch (born 1943), American artist book publisher, designer
• Pierre Koch (1895–1978), French engineer
• Pietro Koch (1918–1945), Italian police leader
• Polly Koch (1895–1976), American football player
• Pyke Koch (1901–1991), Dutch artist
• Raphael Koch (born 1990), Swiss footballer
• Richard Koch (born 1950), management consultant, entrepreneur, and writer
• Richard H. Koch (1852–1945), American judge and railroad owner
• Rickard Koch (born 1976), Swedish bandy player
• Robert Koch (1843–1910), German physician, discoverer of the tubercle and cholera bacilli, Nobel Prize in Medicine laureate in 1905
• Robert Koch (footballer) (born 1986), German footballer
• Robert Koch Woolf (1923–2004), American interior decorator
• Robin Koch (born 1996), German footballer
• Roland Koch (born 1958), German politician
• Roland Koch (footballer) (born 1952), German football manager
• Roscoe R. Koch (1887–1963), American politician
• Rosslyn Koch (1886–?), Ceylonese politician
• Rudolf Koch (1876–1934), German calligrapher, typographic artist and teacher

S–Z

• Sam Koch, American football punter for the Baltimore Ravens of the NFL
• Sarah Koch (born 1979), American mathematician
• Sebastian Koch, German actor
• Silvana Koch-Mehrin, German politician
• Simona Koch (born 1968), German diver
• Simone Koch, German figure skater
• Shari Koch, German ice dancer
• Sophie Koch, French mezzo-soprano
• Stefan Koch (born 1964), German basketball coach
• Stefanie Koch (born 1981), German ski mountaineer
• Stephan W. Koch (1953–2022), German theoretical physicist
• Theodor Koch, German engineer
• Thomas Koch (disambiguation), several people
• Thomaz Koch, Brazilian tennis player
• Tobias Koch (pianist), German pianist
• Tom Koch, writer for Mad Magazine
• Ursula Koch (born 1941), Swiss politician
• Valdemar Koch (1852–1902), Danish architect and politician
• Vincent Koch, (born 1990), South African professional rugby player
• Waldemar Koch, former German politician
• Walter Koch (disambiguation), several people, including:
  • Walter Koch (Fallschirmjäger) (1910–1943), commander of the Fallschirmjäger during World War II
• Werner Koch (born 1961), German software author
• Wilhelm Daniel Joseph Koch (1771–1849), German physician and botanist
• Wilhelmina Koch (1845–1924), German composer