| Klaudia Olejniczak | |
| Birth Date: | 1997 1, df=yes[1] |
| Birth Place: | Gostyń, Poland[2] |
| Position: | Defender |
| Currentclub: | Czarni Sosnowiec |
| Youthclubs1: | Szewa Gostyń |
| Clubs1: | Szewa Gostyń |
| Years2: | 20??–2020 |
| Clubs2: | Medyk Konin |
| Years3: | 2020– |
| Clubs3: | Czarni Sosnowiec |
| Nationalyears1: | 2019 |
| Nationalteam1: | Poland |
| Nationalcaps1: | 2 |
| Nationalgoals1: | 0 |
| Ntupdate: | 6 March 2019 |
Klaudia Olejniczak (born 20 January 1997) is a Polish footballer who plays as a defender for Ekstraliga club Czarni Sosnowiec. She has been a member of the Poland women's national team.