Gershuni is a Jewish patronymic surname meaning "son of Gershon". Notable people with the surname include:
Grigory Gershuni (1870–1908), Lithuanian revolutionary Moshe Gershuni (1936–2017), Israeli painter and sculptor Uri Gershuni (born 1970), Israeli photographer and educator Vladimir Gershuni (1930–1994), Soviet dissident and poet
See also
Gerchunoff Gershun