Pirjo Seppä

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, and also won a silver medal in the individual contest.

Seppä was member of the team that won bronze medals in the relay in the 1968 World Orienteering Championships. She competed in the 1970 World Orienteering Championships, where she placed fourth in the individual contest.