Petteri Pennanen (born 19 September 1990) is a Finnish professional footballer who plays as a central midfielder for Veikkausliiga club KuPS.

A product of local Kuopion Palloseura (KuPS), Pennanen made his senior début on 29 April 2007, aged 16, against VIFK.

After not making a single appearance for the Twente's first-team, Pennanen left the Dutch champions during winter 2011 and signed with TPS.

[8] On 28 February 2024, Pennanen returned to Finland and Kuopio after signing a one-year deal with his hometown club KuPS, with an option to extend for one more, reuniting with his former coach Jani Honkavaara.

On 19 October, Pennanen scored the winning goal in the last match of the season against HJK Helsinki, helping his side secure the Veikkausliiga championship title and completing the club's first-ever double.