Anna Frithioff (born 4 December 1962) is a Swedish cross-country skier who competed from 1992 to 1999.

She won a bronze medal in the 4 × 5 km relay at the 1995 FIS Nordic World Ski Championships in Thunder Bay, and had her best individual finish of ninth in the 5 km event at those same championships.

Frithioff's best individual finish at the Winter Olympics was 13th in the 30 km event at Lillehammer in 1994.

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

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