| Competition: | Tippeligaen |
| Season: | 2003 |
| Winners: | Rosenborg 18th title |
| Continentalcup1: | Champions League |
| Continentalcup1 Qualifiers: | Rosenborg |
| Continentalcup2: | UEFA Cup |
| Continentalcup2 Qualifiers: | Bodø/Glimt Stabæk Odd Grenland |
| Matches: | 182 |
| Total Goals: | 568 |
| League Topscorer: | Harald Martin Brattbakk (17 goals) |
| Biggest Home Win: | Stabæk 6–0 Brann[1] |
| Biggest Away Win: | Lillestrøm 0–6 Rosenborg |
| Longest Wins: | 7 games[2] Rosenborg |
| Longest Unbeaten: | 12 games Rosenborg |
| Longest Winless: | 10 games Lyn Tromsø Aalesund Bryne |
| Longest Losses: | 10 games Bryne |
| Highest Attendance: | 21,316[3] Rosenborg 3–1 Sogndal (16 May 2003) |
| Lowest Attendance: | 1,477 Lyn 2–0 Bryne (21 September 2003) |
| Average Attendance: | 6,588 6.2% |
| Prevseason: | 2002 |
| Nextseason: | 2004 |
| Dates: | 12 April – 1 November |
The 2003 Tippeligaen was the 59th completed season of top division football in Norway.
Each team played 26 games with three points given for wins and one point for a draw. Number thirteen and fourteen were relegated, number twelve had to play two qualification matches (home and away) against number three in the 1. divisjon (where number one and two were directly promoted) for the last spot.
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.
Note: Table lists in alphabetical order.
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| Rank | Player | Club | Goals[5] |
|---|---|---|---|
| 1 | Rosenborg | 17 | |
| 2 | Rosenborg | 16 | |
| 3 | Sogndal | 13 | |
| 4 | Molde | 11 | |
| Viking | |||
| 6 | Odd Grenland | 10 | |
| Stabæk | |||
| Vålerenga | |||
| 9 | Bryne | 9 | |
| Brann | |||
| Lillestrøm |