| Clubname: | Nelson |
| Fullname: | Nelson Rugby Union |
| Colours: | Navy blue and Sky blue |
| Founded: | 1885 |
| Sport: | Rugby union |
| Ground: | Trafalgar Park |
Nelson Rugby Union was founded in New Zealand in 1885 and played provincial rugby till 1967 when it merged with the Golden Bay-Motueka Rugby Union to create Nelson-Bays.
In the history of the Nelson Rugby Union, Nelson has contested the Ranfurly Shield twice: