The 2003 Tippeligaen was the 59th completed season of top division football in Norway.

Rosenborg won their twelfth consecutive title and eighteenth top-flight title overall.

They won with a margin of 14 points down to runners-up Bodø/Glimt and secured the title with five games to spare.

[4] Aalesund and Bryne were relegated to 1. divisjon.

Source: nifs.noNotes:1: Team played last season in 1. divisjon.