Sverre Geir Istad (born 3 January 1965) is a former Norwegian biathlete.

He was born in Voss as the son of Jon Istad, and represented the club Voss IL.

He competed at the 1988 Winter Olympics in Calgary.

[1] He won a silver medal in the team event at the Biathlon World Championships 1991.

This Norwegian biographical article relating to biathlon is a stub.