Fedak is a surname. Notable people with the surname include:
Jolanta Fedak (1960–2020), Polish politician Sofia Fedak-Melnyk (1901–1990), Ukrainian economist and wife of Andriy Melnyk Stepan Fedak (1901–1945), Ukrainian activist and failed assassin Yuliana Fedak (born 1983), Ukrainian tennis player
See also Sári Fedák (1879–1955), Hungarian actress and singer