Date of Birth: 
About Leena Silvennoinen
- Leena Silvennoinen (born March 7, 1958) is a Finnish orienteering competitor and world champion. She won a gold medal in the relay event at the 1979 World Orienteering Championships in Tampere, with Leena Salmenkylä and Liisa Veijalainen on the Finnish relay team.
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