The 2003 season of the Toppserien, the highest women's football (soccer) league in Norway, began on 16 April 2003 and ended on 2 November 2003.
18 games were played with 3 points given for wins and 1 for draws.
Number nine and ten were relegated, while the two top teams from the First Division were promoted.
Trondheims-Ørn won the league.