Minnamari "Minttu" Tuominen (Chinese: 托米宁; pinyin: Tuōmǐníng; born 26 June 1990) is a Finnish ice hockey player.

A member of the Finnish national ice hockey team since 2008, she has earned medals at three Winter Olympic Games and five IIHF Women's World Championships.

Milestones at Ohio State include: Tuominen signed with the Metropolitan Riveters of the Premier Hockey Federation (PHF) for the 2022–23 season, during which she served as an alternate captain.

After winning the 2024 WCIHL championship with Shenzhen KRS, she returned to Kiekko-Espoo for the remainder of the Naisten Liiga regular season and playoffs.

She was a member of the bronze medal-winning Finnish team at the 2009 Winter Universiade in Harbin, China and played at the 2009 MLP Nations Cup in Ravensburg, Germany.