Petteri Nummelin (born November 25, 1972 in Turku, Finland) is a Finnish professional ice hockey defenceman, and a former NHL defenceman for the Minnesota Wild and Columbus Blue Jackets. He currently plays for HC Lugano of the Swiss Nationalliga A. He was drafted by the Columbus Blue Jackets as their fifth-round pick, #133 overall, in the 2000 NHL Entry Draft. Nummelin has represented Finland numerous times in international play, including the 1995 Ice Hockey World Championships where Finland won their only gold medal to date.
Nummelin is the son of Timo Nummelin, a Finnish ice hockey hall of famer.
Petteri Nummelin started playing ice hockey in his hometown Turku and played for a-junior team of TPS for 3 seasons after which he played for Kiekko-67 in the 1. Division. Nummelin debuted in the SM-Liiga during the 1992–93 Season which he spent playing partly for TPS and Reipas. Nummelin also played in Kiekko-67 and TPS A-Junior team during the season. After the 1992–93 season Nummelin stayed in TPS for 2 more seasons (93–95) and moved to play in Sweden after winning the world championship for Finland.