1988 National Provincial Championship
The 1988 season was the thirteenth year of the National Provincial Championship, a provincial rugby union competition in New Zealand. Auckland 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 | 10 | 0 | 0 | 321 | 114 | +207 | 40 |
| 2 | | 10 | 8 | 0 | 2 | 304 | 161 | +143 | 34 |
| 3 | | 10 | 8 | 0 | 2 | 316 | 154 | +162 | 32 |
| 4 | | 10 | 5 | 1 | 4 | 227 | 187 | +40 | 24 |
| 5 | | 10 | 5 | 0 | 5 | 237 | 202 | -35 | 22 |
| 6 | | 10 | 5 | 0 | 5 | 180 | 197 | -17 | 22 |
| 7 | | 10 | 4 | 1 | 5 | 160 | 208 | -48 | 19 |
| 8 | | 10 | 4 | 0 | 6 | 193 | 229 | -36 | 18 |
| 9 | | 10 | 3 | 0 | 7 | 173 | 268 | -95 | 14 |
| 10 | | 10 | 1 | 0 | 9 | 182 | 282 | -100 | 6 |
| 11 | | 10 | 1 | 0 | 9 | 84 | 337 | -253 | 14 |
Division 2
The following table gives the final standings:
| Pos | Team | Pld | W | D | L | PF | PA | PD | Pts |
| 1 | | 7 | 7 | 0 | 0 | 225 | 113 | +112 | 28 |
| 2 | | 7 | 6 | 0 | 1 | 161 | 113 | +48 | 24 |
| 3 | | 7 | 5 | 0 | 2 | 197 | 136 | +61 | 21 |
| 4 | | 7 | 3 | 0 | 4 | 141 | 132 | +9 | 13 |
| 5 | | 7 | 3 | 0 | 4 | 109 | 135 | -26 | 12 |
| 6 | | 7 | 2 | 0 | 5 | 99 | 128 | -29 | 10 |
| 7 | | 7 | 1 | 0 | 6 | 80 | 154 | -74 | 7 |
| 8 | | 7 | 1 | 0 | 6 | 92 | 193 | -101 | 5 |
Division 3
The following table gives the final standings:
| Pos | Team | Pld | W | D | L | PF | PA | PD | Pts |
| 1 | | 7 | 7 | 0 | 0 | 284 | 42 | +242 | 28 |
| 2 | | 7 | 6 | 0 | 1 | 307 | 74 | +233 | 24 |
| 3 | | 7 | 5 | 0 | 2 | 151 | 104 | +47 | 20 |
| 4 | | 7 | 3 | 0 | 4 | 127 | 171 | -44 | 17 |
| 5 | | 7 | 3 | 0 | 4 | 101 | 180 | -79 | 12 |
| 6 | | 7 | 2 | 0 | 5 | 115 | 191 | -76 | 9 |
| 7 | | 7 | 1 | 0 | 6 | 83 | 198 | -115 | 5 |
| 8 | | 7 | 1 | 0 | 6 | 42 | 250 | -208 | 5 |
Promotion/relegation
Division Two winner were promoted to Division One to replace who were relegated. Division Three winner were elevated to Division Two to replace who were relegated.