Mats Rosseli Olsen (born April 29, 1991) is a Norwegian professional ice hockey forward, currently playing for Frölunda HC in the Swedish Hockey League (SHL).
Mats Rosseli Olsen started his professional career in 2008 in the Norwegian GET-league, playing for Furuset, where he grew up. In the 2008âÂÂ09 season, he noted 20 points in 44 games. In 2009, he joined VÃÂ¥lerenga. After two and a half seasons in VÃÂ¥lerenga, he signed a one-and-a-half-year deal with Frölunda HC of the Swedish Elitserien on January 28, 2012. Rosseli Olsen has also represented the Norwegian national team.