Knut Ivar Bøe (born 1967) is a Norwegian accordionist from Vaksvik, Sunnmøre. He is much used as a studio musician, course instructor and panel judge. He released his first solo record, Ferdamann, in 1994.

Knut Ivar is connected to Møremusikarane and Rikskonsertane, and has received several awards and stipends. With violinist and singer Ingunn Linge Valdal he forms the traditional music duo Ferdafolk.