| 2003 Super 12 | |
| Countries: |  Australia South Africa New Zealand |
| Tournament Format: | Round-robin and knockout |
| Champions: | Auckland Blues |
| Count: | 3 |
| Matches: | 69 |
| Attendance: | 1686678 |
| Top Point Scorer: | Carlos Spencer (143) (Auckland Blues) |
| Top Try Scorer: | Doug Howlett (12) (Auckland Blues) |
| Previous Year: | 2002 |
| Previous Tournament: | 2002 Super 12 season |
| Next Year: | 2004 |
| Next Tournament: | 2004 Super 12 season |
The 2003 Super 12 season was the eighth season of the Super 12, contested by teams from Australia, New Zealand and South Africa. The season ran from February to May 2003, with each team playing all the others once. At the end of the regular season, the top four teams entered the playoff semi finals, with the first placed team playing the fourth and the second placed team playing the third. The winner of each semi final qualified for the final, which was contested by the Blues and the Crusaders at Eden Park, Auckland. The Blues won 21–17 to win their third Super 12 title, and their first since 1997, it was their first Grand Final appearance since 1998.
| Top four teams advance to playoffs. |
| Team | Pld | W | D | L | PF | PA | PD | BP | Pts | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Blues | 11 | 10 | 0 | 1 | 393 | 185 | +208 | 9 | 49 | |
| 2 | Crusaders | 11 | 8 | 0 | 3 | 360 | 263 | +97 | 8 | 40 | |
| 3 | Hurricanes | 11 | 7 | 0 | 4 | 324 | 277 | +47 | 7 | 35 | |
| 4 | Brumbies | 11 | 6 | 0 | 5 | 358 | 313 | +45 | 7 | 31 | |
| 5 | Waratahs | 11 | 6 | 0 | 5 | 313 | 344 | −31 | 7 | 31 | |
| 6 | Bulls | 11 | 6 | 0 | 5 | 320 | 354 | −34 | 5 | 30 | |
| 7 | Highlanders | 11 | 6 | 0 | 5 | 287 | 246 | +41 | 5 | 29 | |
| 8 | Reds | 11 | 5 | 0 | 6 | 281 | 318 | −37 | 6 | 26 | |
| 9 | Stormers | 11 | 5 | 0 | 6 | 255 | 353 | −98 | 3 | 23 | |
| 10 | Chiefs | 11 | 2 | 0 | 9 | 257 | 274 | −17 | 9 | 17 | |
| 11 | Sharks | 11 | 3 | 0 | 8 | 239 | 306 | −67 | 5 | 17 | |
| 12 | Cats | 11 | 2 | 0 | 9 | 259 | 398 | −139 | 4 | 12 |
| Team | Main stadium | Capacity | Total attendance | Average attendance | % Capacity | |
|---|---|---|---|---|---|---|
| 50,000 | 236,000 | 29,500 | 66% | |||
| 25,800 | 49,000 | 9,800 | 37% | |||
| 34,500 | 145,847 | 24,307 | 77% | |||
| 36,500 | 150,100 | 25,016 | 68% | |||
| 29,000 | 111,876 | 18,646 | 68% | |||
| 18,000 | 92,127 | 18,425 | 100% | |||
| 25,011 | 107,681 | 21,536 | 86% | |||
| 44,000 | 183,128 | 30,521 | 69% | |||
| 52,000 | 154,300 | 30,860 | 59% | |||
| 51,762 | 137,376 | 27,475 | 53% | |||
| 62,567 | 150,174 | 25,029 | 46% | |||
| 51,900 | 178,558 | 29,759 | 57% |