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.

All results are sourced from the International Ski Federation (FIS).

This biographical article relating to Finnish cross-country skiing is a stub.