| Clubname: | WKS Grunwald Poznań |
| Fullname: | Wojskowy Klub Sportowy Grunwald Poznań |
| Ground: | Hala SP 72 |
| Chairman: | Jakub Pochopień |
| Manager: | Michał Tórz |
| League: | I liga |
| Website: | http://www.grunwaldpoznan.pl/ |
| Colour1: | Blue |
| Colour2: | White |
| Colour3: | Green |
| Leftarm1: | 008000 |
| Body1: | 0000FF |
| Rightarm1: | 008000 |
| Shorts1: | 000000 |
| Leftarm2: | 0000FF |
| Body2: | ffffff |
| Rightarm2: | 0000FF |
| Shorts2: | 008000 |
WKS Grunwald Poznań is a men's handball club based in Poznań, Poland, founded in 1961 as a section of the wider multi-sports club. A one time Polish Champion and three–time Polish Cup winner in the 70s; the club currently plays in the Polish I liga (as of 2022–23).
Winners (1): 1970–71
Runners-up (2): 1971–72, 1990–91
Winners (3): 1971–72, 1978–79, 1979–80