| Stefan Hajduk | |
| Nationality: | Polish |
| Sport: | Wrestling |
| Birth Date: | 2 November 1933 |
| Birth Place: | Eustachów, Poland |
| Death Place: | Warsaw, Poland |
Stefan Hajduk (2 November 1933 - 28 April 1993) was a Polish wrestler. He competed in the men's Greco-Roman flyweight at the 1960 Summer Olympics.[1]