Frithjof Olsen (30 November 1882 – 22 February 1922) was a Norwegian gymnast who competed in the 1906 Intercalated Games, the 1908 Summer Olympics, and the 1912 Summer Olympics.

He also competed in the all-around event, but his result is unknown.

Four years later, he was part of the Norwegian gymnastics team, which won the bronze medal in the gymnastics men's team Swedish system event.

This article about a Norwegian Olympic medalist is a stub.

You can help Wikipedia by expanding it.This biographical article related to Norwegian artistic gymnastics is a stub.