Juuso Hietanen (born 14 June 1985) is a Finnish professional ice hockey defenceman for HPK of the Liiga.

Hietanen made his SM-liiga debut with HPK during the 2003–04 season, and two years later he became a regular player on the team.

At the time of his SM-liiga debut, he was the first third generation player in the top level of Finnish ice hockey.

Hietanen played in the Kontinental Hockey League (KHL) during 2011 to 2021, first with Torpedo Nizhny Novgorod and later with Dynamo Moscow.

After 15 seasons abroad, Hietanen opted to return to Finland as a free agent and re-joined original club, HPK of the Liiga, on an optional three-year contract on 22 April 2022.