Petter Belsvik (born 2 October 1967) is a Norwegian football coach and former player, who played as a striker.
With 159 goals in the Norwegian Premier League he ranks third in the all-time goalscorer statistics, behind Harald Brattbakk.
His impact on football abroad has been limited, with only short spells in Southend United, AaB and Austria Vienna.
Belsvik also had an unsuccessful trial at Sunderland AFC After finishing his playing career he was hired as an assistant coach in Stabæk.
After Stabæk won the league in 2008, Belsvik became an assistant for Lillestrøm in 2009, taking briefly over as caretaker head coach in 2011.