Grzelak
Grzelak is a family name for the following people:
- Bartłomiej Grzelak (* 1981), Polish football player
- Grzegorz Grzelak (* 1953), Polish political scientist
- Jarosław Grzelak (* 1964), Polish television producer
- Rafał Grzelak (* 1982), Polish football player
- Stanisław Grzelak (* 1920), Polish cyclist
- Tadeusz Grzelak (1929–1996), Polish boxer
