| Birth Date: | 18 December 1941 |
| Birth Place: | Drogomyśl, Poland |
| Death Date: | [1] |
| Death Place: | Warsaw |
| Height: | 169 cm |
| Weight: | 68 kg |
| Sport: | Show jumping |
| Club: | LSZ Drogomyśl Cwału Poznań Legia Warszawa |
| Show-Medals: | yes |
Jan Kowalczyk (18 December 1941 - 24 February 2020) was a Polish show jumper who competed in the 1968, 1972 and 1980 Olympics. He won an individual gold and a team silver medal in 1980.[2]