Atte Pentikäinen (born December 12, 1982) is a Finnish professional ice hockey defenseman.
He is currently a defenceman for the Fischtown Pinguins in the Deutsche Eishockey Liga (DEL).
He has previously played with Ässät (2004–06) and Färjestads BK (2006–07).
After spending the majority of his 13-year professional career in his native Finland, Pentikäinen agreed to a one-year contract with Austrian outfit, Graz 99ers of the EBEL on July 4, 2016.
Just over two-months later, after enduring pre-season with the 99ers, Pentikainen used an opt-out clause to release him from his contract on September 8.
He was signed the following day with German club, the Fischtown Pinguins of the neighboring DEL to begin the 2015–16 season.