| Marian Kielec | |
| Birth Date: | 6 March 1942 |
| Birth Place: | Câmpulung Moldovenesc, Kingdom of Romania |
| Position: | Forward |
| Years1: | 1959–1971 |
| Years2: | 1979 |
| Nationalteam1: | Poland |
| Nationalyears1: | 1962 |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
Marian Kielec (born 6 March 1942) is a Polish former footballer who played as a forward.[1] He played in one match for the Poland national football team in 1962.[2] Kielec started his career with Pogoń Szczecin.[3]
Individual