Gustafson (born December 11, 1961) is a Montana Supreme Court Associate Justice.
She was appointed in December 2017 by Governor Steve Bullock to fill the seat of retiring Justice Mike Wheat.
She grew up primarily in Billings, Montana, where she returned to work in private practice and then became a District Judge for Montana's 13th Judicial District, Yellowstone County prior to her appointment to the state Supreme Court.