| Janko Mežik | |
| Nationality: | Slovenian |
| Sport: | Ski jumping |
| Birth Date: | 23 September 1921 |
| Birth Place: | Kranjska Gora, Yugoslavia |
Janko Mežik (23 September 1921 - 7 March 1998) was a Slovenian ski jumper. He competed in the individual event at the 1948 Winter Olympics.[1]