Klaes Karppinen (also spelled Klaus; 9 October 1907 – 24 January 1992) was a Finnish cross-country skier who competed in the 1930s. He won a gold medal at the 1936 Winter Olympics in Garmisch-Partenkirchen in the 4 × 10 km relay. Karppinen was born in Iisalmi, Finland.
Karppinen's biggest successes were at the Nordic skiing World Championships where he earned 10 medals, including five golds (18 km: 1935, 4 × 10 km relay: 1934, 1935, 1938, 1939) and five silvers (18 km: 1939; 50 km: 1935, 1937, 1939; and 4 × 10 km relay: 1937).
All results are sourced from the International Ski Federation (FIS).[1]
| Year | Age | 18 km | 50 km | 4 × 10 km relay |
|---|---|---|---|---|
| 26 | 5 | Silver | Gold | |
| 27 | Gold | Silver | Gold | |
| 29 | — | Silver | Silver | |
| 30 | 14 | 5 | Gold | |
| 31 | Silver | Silver | Gold | |