1981 National Provincial Championship
The 1981 season was the sixth year of the National Provincial Championship, a provincial rugby union competition in New Zealand. Wellington were the winners of Division 1.
The following table gives the final standings:
| Pos | Team | Pld | W | D | L | PF | PA | PD | Pts |
| 1 | | 10 | 9 | 0 | 1 | 255 | 94 | +161 | 18 |
| 2 | | 10 | 7 | 0 | 3 | 269 | 157 | +112 | 14 |
| 3 | | 10 | 6 | 1 | 3 | 197 | 129 | +68 | 13 |
| 4 | | 10 | 6 | 0 | 4 | 55 | 135 | -80 | 12 |
| 5 | | 10 | 5 | 1 | 4 | 142 | 160 | -18 | 11 |
| 6 | | 10 | 5 | 0 | 5 | 183 | 172 | +11 | 10 |
| 7 | | 10 | 5 | 0 | 5 | 115 | 144 | -29 | 10 |
| 8 | | 10 | 5 | 0 | 5 | 148 | 195 | -47 | 10 |
| 9 | | 10 | 4 | 0 | 6 | 128 | 165 | -37 | 8 |
| 10 | | 10 | 1 | 0 | 9 | 158 | 279 | -121 | 2 |
| 11 | | 10 | 1 | 0 | 9 | 115 | 235 | -120 | 2 |
The following table gives the final standings:
| Pos | Team | Pld | W | D | L | PF | PA | PD | Pts |
| 1 | | 7 | 7 | 0 | 0 | 141 | 29 | +112 | 14 |
| 2 | | 7 | 6 | 0 | 1 | 295 | 52 | +243 | 12 |
| 3 | | 7 | 5 | 0 | 2 | 208 | 70 | +130 | 10 |
| 4 | | 7 | 3 | 0 | 4 | 170 | 140 | +30 | 6 |
| 5 | | 7 | 3 | 0 | 4 | 96 | 209 | -113 | 6 |
| 6 | | 7 | 2 | 0 | 5 | 105 | 119 | -14 | 4 |
| 7 | | 7 | 2 | 0 | 5 | 81 | 182 | -101 | 4 |
| 8 | | 7 | 0 | 0 | 6 | 40 | 168 | -128 | 0 |
Division 2 (South Island)
The following table gives the final standings:
| Pos | Team | Pld | W | D | L | PF | PA | PD | Pts |
| 1 | | 6 | 5 | 1 | 0 | 143 | 66 | +77 | 11 |
| 2 | | 6 | 5 | 0 | 1 | 150 | 67 | +83 | 10 |
| 3 | | 6 | 4 | 0 | 2 | 115 | 47 | +68 | 8 |
| 4 | | 6 | 2 | 1 | 3 | 64 | 66 | -2 | 5 |
| 5 | | 6 | 2 | 0 | 4 | 62 | 124 | -62 | 4 |
| 6 | | 6 | 2 | 0 | 4 | 49 | 85 | -36 | 4 |
| 7 | | 6 | 0 | 0 | 6 | 40 | 168 | -128 | 0 |
Promotion/relegation
Division Two North winner defeated Southland 10 points to 9 and were promoted to Division One for the 1982 season.