Kruk is a surname.
The word means "raven" in Polish, Belarusian, and Ukrainian languages. It means crutch, handle, stool in Dutch.
The surname may refer to:
Elżbieta Kruk (born 1959), Polish politician
Frances Kruk, Polish-Canadian poet
Janusz Kruk, (1946–1992), Polish singer, guitarist and composer
John Kruk (born 1961), American baseball player
Joseph Kruk (−1972), Polish politician
Herman Kruk (1897–1944), Polish-Jewish activist during World War II
Pavel Kruk (born 1992), Belarusian association football player
Mariusz Kruk, Polish sprint canoer
Petro Kruk (born 1985), Ukrainian sprint canoer
Pieter van der Kruk (born 1941), Dutch weightlifter and shot putter
Birth surname of Isaiah Shavitt
Frank Kruk, a protagonist of the eponymous novel by Petras Cvirka
