| Josef Jánský | |
| Nationality: | Czech |
| Sport: | Long-distance running |
| Event: | Marathon |
| Birth Date: | 24 November 1940 |
| Birth Place: | Strakonice, Protectorate of Bohemia and Moravia |
Josef Jánský (born 24 November 1940) is a Czech long-distance runner. He competed in the marathon at the 1980 Summer Olympics.[1]