Ivar Michal Ulekleiv (born 22 May 1966) is a former Norwegian biathlete.
He was born in Dombås, and represented the club Dovre Skiskytterlag.
He competed at the 1994 Winter Olympics in Lillehammer.He won a silver medal in the team event at the Biathlon World Championships 1991, together with Sverre Istad, Jon Åge Tyldum and Frode Løberg.