Tuomo Iisakki Ruutu (born 16 February 1983) is a Finnish former professional ice hockey forward.
Ruutu was drafted in the first round, ninth overall, at the 2001 NHL Entry Draft by the Chicago Blackhawks, the team he spent the first four seasons of his National Hockey League (NHL) career with, Ruutu has also played in the NHL for the Carolina Hurricanes and New Jersey Devils, before finishing his career with Davos of the Swiss National League (NL).
Ruutu is the younger brother of Jarkko Ruutu, a former ice hockey player, as well as Ottawa Senators European scout Mikko Ruutu.