| Stepan Baidiuk | |
| Full Name: | Stepan Savovych Baidiuk |
| Nationality: | Ukrainian |
| Sport: | Long-distance running |
| Event: | 5000 metres |
| Birth Date: | 28 November 1940 |
Stepan Savovych Baidiuk (born 28 November 1940) is a Ukrainian long-distance runner. He competed in the men's 5000 metres at the 1964 Summer Olympics, representing the Soviet Union.[1]