Ivar Rønningen (born 13 February 1975) is a Norwegian former professional footballer who played as a goalkeeper for Vålerenga, Brann, Rosenborg and HamKam.
He also spent time on loan with Walsall and Lillestrøm.
After playing professional football for almost 20 years, Rønningen retired after the 2012-season, and joined HamKam as a goalkeeper coach.