Pirjo Seppä (born February 8, 1946, in Virolahti) is a Finnish orienteering competitor and World Champion.

She participated on the Finnish winning team in the 1972 World Orienteering Championships,[1] and also won a silver medal in the individual contest.

[1] Seppä was member of the team that won bronze medals in the relay in the 1968 World Orienteering Championships.

[2] She competed in the 1970 World Orienteering Championships, where she placed fourth in the individual contest.

This biographical article about a Finnish orienteer is a stub.