Filipiak is a Polish patronymic surname derived from the given namee Filip. Notable people with the surname include:
Bartosz Filipiak (born 1994), Polish volleyball player Bolesław Filipiak (1901–1978), Polish Cardinal Carl Filipiak, American jazz guitarist Izabela Filipiak, Polish writer Kacper Filipiak, Polish snooker player
See also
Filipiuk Pilipiuk