| Played For: | Gwardia Katowice Górnik Katowice |
| Birth Date: | December 10, 1936 |
| Birth Place: | Katowice, Poland |
| Ntl Team: | Poland |
| Height Ft: | 5 |
| Height In: | 8 |
| Weight Lb: | 165 |
| Position: | Centre |
| Career Start: | 1951 |
| Career End: | 1970 |
Sylwester Wilczek (born 10 December 1936) is a Polish former ice hockey player and coach. He played for Gwardia Katowice and Górnik Katowice during his career. He also played for the Polish national team at the 1964 Winter Olympics and several World Championships. After his playing career he turned to coaching, and including two years as head coach of GKS Katowice, as Górnik had been renamed.