Karin Ingrid Lamberg-Skog (born 17 January 1961) is a Swedish former cross-country skier who competed during the 1980s.

She won a bronze medal in the 4 × 5 km relay at the 1987 FIS Nordic World Ski Championships in Oberstdorf and finished 18th in the 10 km event at those championships.

Lamberg-Skog's best individual finish at the Winter Olympics was 16th in the 5 km event at Sarajevo in 1984.

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

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