| Played For: | Cracovia |
| Birth Date: | January 2, 1913 |
| Birth Place: | Tarnów, Austria-Hungary |
| Death Place: | Kraków, Poland |
| Ntl Team: | Poland |
| Height Ft: | 5 |
| Height In: | 7 |
| Weight Lb: | 159 |
| Position: | Goaltender |
| Career Start: | 1926 |
| Career End: | 1951 |
Jan Wincenty Maciejko (2 January 1913 — 21 October 1993), was a Polish ice hockey goaltender. He played for Cracovia during his career. He also played for the Polish national team at the 1948 Winter Olympics and several World Championships. During the invasion of Poland at the onset of the Second World War he served in the Karpaty Army and was wounded near the town of Biłgoraj, and later fought with the Home Army. For this he was made a knight of the Virtuti Militari.[1]