Kogan () is a Russian spelling variant of the Jewish surname Cohen.

• Aleksandr Kogan, several people

• Artur Kogan (born 1974), Israeli chess master

• Belle Kogan (1902–2000), American industrial designer

• Boris Kogan (1940–1993), Russian-American chess master

• Dmitri Kogan (1978–2017), Russian violinist

• Herman Kogan (1914–1989), American journalist

• Jacob Bernstein-Kogan (1859-1929), Russian physician, Zionist, and Jewish community activist

• Jacob Kogan (born 1995), American actor

• Jonathan Kogan, member of the band Area 11

• Lazar Kogan (1889–1939), Soviet secret police functionary

• Leonid Kogan (1924–1982), Soviet violinist

• Marcio Kogan (born 1952), Brazilian architect

• Michael Kogan (1920–1984), Russian businessman

• Nataly Kogan, Russian-born American author and entrepreneur

• Nathan Kogan (1926–2013), American psychologist

• Pavel Kogan (disambiguation), several people

• Pyotr Kogan (1872–1932), Russian literary historian, philologist, literary critic and university professor

• Richard Kogan (physician)

Ruslan Kogan (born 1982), Belarusian-Australian entrepreneur, founder and director of Kogan Technologies

• Kogan.com, Australian retail and services group founded by Ruslan Kogan

• Yosif Arkadyevich Kogan, birth name of Osip Yermansky (1867–1941), Russian Menshevik economist

• Rita Kogan (born c. 1976), Russian-born Israeli poet

• Valentina Kogan (born 1980), Argentine handball player

• Zvi Kogan (1996-2024), Israeli-Moldovan rabbi killed in the United Arab Emirates

See also

• Cohn

• Kagan (disambiguation)

• Kaganovich (disambiguation)

• Cohen (and its variations) as a surname

• Y-chromosomal Aaron, the "Cohen" gene

• Yevgeni Koganov

• Komarovsky