Dagny Mellgren Haugland (; born 19 June 1978) from ÃÂ lgÃÂ¥rd is a former Norwegian footballer.
She retired in December 2005 while playing for Klepp. She has also played for Boston Breakers, in the WUSA. She scored the golden goal in the final against the United States at the 2000 Summer Olympics, winning the gold medal for Norway. She retired from football in December 2005.
Mellgren and her partner Gert Haugland had a child in September 2006.