| Michał Olejniczak | |
| Birth Date: | 31 January 2001 |
| Birth Place: | Gorzów Wielkopolski, Poland |
| Nationality: | Polish |
| Height: | 1.93 m |
| Position: | Centre back |
| Currentclub: | Industria Kielce |
| Clubnumber: | 5 |
| Youthyears1: | –2017 |
| Youthclubs1: | UKS Miś Gorzów Wielkopolski |
| Years1: | 2017–2020 |
| Clubs1: | SMS Gdańsk |
| Years2: | 2020– |
| Clubs2: | Industria Kielce |
| Nationalyears1: | 2018– |
| Nationalteam1: | Poland |
| Nationalcaps1: | 16 |
| Nationalgoals1: | 14 |
Michał Olejniczak (born 31 January 2001) is a Polish handball player for Industria Kielce and the Polish national team.[1]
He represented Poland at the 2020 European Men's Handball Championship.[2] [3]