Czerniak ([ˈtʂɛrɲak]) is a surname of Polish-language origin. Variants include Czarniak, Cherniak, Cherniack, Chernyak, with some versions transliterated from Belarusian, Ukrainian, or Russian.
The surname may refer to:
Moshe Czerniak (1910-1984), Polish-Israeli chess master
Konrad Czerniak
Arik Czerniak, founder and CEO of Metacafe
Brothers Tim Cherniak and Elis Czerniak of Halves (band)
Lindsay Czarniak
Christopher Cherniak
Boris Cherniak
Saul Cherniack
Evgeniy Chernyak
Aleksandr Chernyak
Yan Chernyak, a Hero of Russian Federation
Nathalie Sarraute, born Natalya Chernyak
