Marcin Kaczmarek may refer to:
- Marcin Kaczmarek (swimmer) (born 1977), retired butterfly swimmer from Poland
- Marcin Kaczmarek (footballer) (born 1979), Polish footballer
- Marcin Kaczmarek (footballer born 1974), manager of Olimpia GrudziÄ…dz
Marcin Kaczmarek may refer to: