1980 National Provincial Championship
The 1980 season was the fifth year of the National Provincial Championship, a provincial rugby union competition in New Zealand. Manawatu were the winners of Division 1.
Division 1
The following table gives the final standings:| Pos | Team | Pld | W | D | L | PF | PA | PD | Pts |
| 1 | 10 | 9 | 1 | 0 | 215 | 114 | +101 | 18 | |
| 2 | 10 | 8 | 1 | 1 | 182 | 94 | +88 | 17 | |
| 3 | 10 | 8 | 2 | 0 | 197 | 87 | +110 | 16 | |
| 4 | 10 | 6 | 4 | 0 | 122 | 107 | +15 | 12 | |
| 5 | 10 | 5 | 5 | 0 | 160 | 98 | +62 | 10 | |
| 6 | 10 | 4 | 5 | 1 | 119 | 130 | -11 | 9 | |
| 7 | 10 | 4 | 6 | 0 | 165 | 161 | +4 | 8 | |
| 8 | 10 | 4 | 6 | 0 | 160 | 172 | -12 | 8 | |
| 9 | 10 | 4 | 6 | 0 | 171 | 215 | -44 | 8 | |
| 10 | 10 | 2 | 8 | 0 | 112 | 206 | -94 | 4 | |
| 11 | 10 | 0 | 10 | 0 | 55 | 274 | -219 | 0 |