| Birth Date: | 29 January 1911 |
| Birth Place: | Rautalakhti, Kareliya, Russia |
| Death Date: | 13 February 1970 (aged 59) |
| Death Place: | Jämsä, Finland |
| Height: | 174 cm |
| Weight: | 75 kg |
| Sport: | Cross-country skiing |
| Event: | 50 km |
| Show-Medals: | yes |
Pekka Vanninen (29 January 1911 – 13 February 1970) was a Finnish cross-country skier who won six national titles over 50 km, in 1937–38, 1946 and 1948–50. He competed in this event at the 1948 Winter Olympics and finished fourth, 20 seconds behind his younger brother Benjamin. Pekka served as the Finnish flag bearer at those Olympics.
All results are sourced from the International Ski Federation (FIS).[1]
| Year | Age | 18 km | 50 km | 4 × 10 km relay |
|---|---|---|---|---|
| 28 | — | 4 | — | |
| 39 | — | 6 | — | |