Janne Tenmann (born 5 May 1963) is a former Norwegian long track speed skater. She represented her country at international competitions. She rode her last race in 1980. She participated at the 1977 World Allround Speed Skating Championships for women (NC 22nd) and at the (20nd). Tenmann won two bronze medal in the sprint combination at the Norwegian national championships in 1977 and 1978. She rode one Norwegian national records in 1979 on the 5000m with a time of 8:33.17. She also rode 2 track records and as a junior she rode 3 national records.