Teemu Eronen (born 22 November 1990) is a Finnish professional ice hockey defenceman.
He currently plays for Jokerit in the Kontinental Hockey League (KHL).
He was selected by the St.
Louis Blues in the 7th round (192nd overall) of the 2011 NHL Entry Draft.
After two seasons in the Kontinental Hockey League with HC Neftekhimik Nizhnekamsk and HC Vityaz, Eronen returned to his homeland in agreeing to a two-year contract in the Liiga with HIFK on May 27, 2016.Eronen played three seasons with HIFK before returning to the KHL with original club, Jokerit, on 24 April 2019.