Janne Mikael Happonen is a Finnish ski jumper who has competed since 2002. He represents Puijon Hiihtoseura as his ski club. Happonen has a silver medal in the team large hill event at the 2006 Winter Olympics in Turin. He also has two silver medals in the team event at the FIS Ski Flying World Championships, earning them in 2006 and 2008. At the FIS Nordic World Ski Championships 2007 in Sapporo, Happonen finished 37th in the individual large hill event. He has three victories at a variety of hills since 2006 though his lone individual win came in an individual large hill event in Finland in March 2008. Happonen was one of the five Finns that travelled to Vancouver for the 2010 Winter Olympics. He started in all three competitions and produced good efforts in the Normal Hill competition and the Large Hill. He produced an excellent jump in the second round of the Large Hill Team Event of 139m with style marks of 19's and 19.5's but it was not enough to earn the Finns a Bronze medal. 

June 18th, 1984 in Kuopio sub-region (Age 39)