The Great Northwest Athletic Conference (GNAC) is a college athletic conference affiliated with the National Collegiate Athletic Association (NCAA) at the Division II level.

It has historically operated in the northwestern United States, but also includes schools in Alaska, Montana, and British Columbia.

The GNAC is the only NCAA conference in any division with a Canadian university as a member.

The conference formed in 2001 when its original ten members split from the Pacific West Conference.

The GNAC currently has ten full members, all but three are public schools: The GNAC currently has two affiliate members, both are public schools: The GNAC had three former full members, all but one were private schools: The GNAC had seven former affiliate members, all but three were public schools: Full member (all sports) Full member (non-football) Associate member (football-only) Associate member (other sports)