Juhamatti Aaltonen (born June 4, 1985 in Ii) is a Finnish ice hockey forward. He started his career in Kärpät and played with the team until 2009. He won the Finnish championship in 2007 and 2008 with the team. For 2009-10 season, he moved to Pelicans Lahti and played his breakthrough year, scoring 28 goals, the same amount as Jukka Hentunen and Jonas Enlund as they led the league. Following the season, he was selected to the national team for the 2010 IIHF World Championship.