Bielak
![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/40px-Wiktionary-logo-en-v2.svg.png)
Bielak is a surname. Notable people with the surname include:
- Brandon Bielak (born 1996), American baseball pitcher
- Jacobo Bielak, Mexican-born structural engineer
- Józef Bielak (1741–1794), Polish-Lithuanian military officer
- Lukáš Bielák (born 1986), Slovak footballer
- Piotr Bielak (born 1976), Polish footballer