Olejniczak is a Polish surname, it may refer to:
- Cezary Olejniczak (born 1972), Polish politician
- Dawid Olejniczak (born 1983), Polish tennis player
- Dominic Olejniczak (1908–1989), American mayor
- Janusz Olejniczak (1952–2024), Polish pianist and actor
- Michał Olejniczak (born 2001), Polish handball player
- Stan Olejniczak (1912–1979), American football player
- Wojciech Olejniczak (born 1974), Polish politician
This page lists people with the surname Olejniczak.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.