Juuso Hietanen (born June 14, 1985 in Hämeenlinna) is a Finnish ice hockey defenseman.
He made his SM-liiga debut for HPK during 2003-04 season, and two years later he became a regular player on the team. He also visited Pelicans early in his career and was part of the Finnish national team in the 2005 World Junior Championships. At the time of his SM-liiga debut, he was the first third generation player in the top level of Finnish ice hockey. 
In 2006 he celebrated the championship with HPK. He scored two goals and an assist in second final, but HPK suffered its only loss in the series.
In 2007 he moved to Sweden to play at Brynäs IF and for 2010-11 season he has signed for another Swedish team HV71.
He was selected for Finnish national team in 2010 IIHF World Championship.