| Joško Janša | |
| Nationality: | Slovenian |
| Sport: | Cross-country skiing |
| Birth Date: | 16 December 1900 |
| Birth Place: | Mojstrana, Austria-Hungary |
Joško Janša (born 16 December 1900, date of death unknown) was a Slovenian cross-country skier. He competed in the men's 18 kilometre event at the 1928 Winter Olympics.[1]