Mannon McMahon is an American ice hockey forward from Maple Grove, Minnesota, currently playing for the Vancouver Goldeneyes in the Professional Women’s Hockey League (PWHL). She developed her game at the University of Minnesota Duluth, where she earned a reputation for durability, consistency, and leadership. McMahon set a program record by playing 173 consecutive games, never missing a contest during her five-year collegiate career, and served as team captain in her final season, becoming a trusted presence both on and off the ice.

McMahon was selected 26th overall by Ottawa in the 2024 PWHL Draft and made an immediate impact during her rookie professional season. Appearing in all 30 regular-season games in 2024–25, she recorded four goals and four assists and added an important goal during the playoffs. Known for her relentless forecheck, speed, and physical engagement along the boards, she quickly became a fan favorite. Her early contributions included scoring the first goal at Ottawa’s home arena and delivering a key game-winning goal in the semifinals.

Following her trade to the Vancouver Goldeneyes, McMahon brings energy, reliability, and playoff-tested experience to her new club. Internationally, she earned her first senior call-up to the U.S. national team during the 2024–25 season, participating in the Rivalry Series against Canada. With her competitive edge and upward trajectory, McMahon remains a rising player to watch in the PWHL.