Dorset & Wilts 1 South
Dorset & Wilts 1 South is an English Rugby Union league, forming part of the South West Division, for clubs primarily based in Dorset, sitting at tier 8 of the English rugby union system. Originally a single league, Dorset & Wilts 1 split into north and south regional divisions in 2004. Teams based in Berkshire participated until 2001 when they left to join the Buckinghamshire & Oxon leagues.
| Current season or competition: 2019–20 Dorset & Wilts 1 South | |
| Sport | Rugby union |
|---|---|
| Instituted | 1987 (as Berks/Dorset/Wilts 1) |
| Number of teams | 12 |
| Country | England |
| Holders | Dorchester (3rd title) (2019–20) (promoted to Southern Counties South) |
| Most titles | Blandford, Dorchester, Ivel Barbarians (3 titles) |
| Website | englandrugby.com |
Promoted teams tend to move up to Southern Counties South, while relegated generally teams drop to Dorset & Wilts 2 South. Only 1st XV sides can be promoted into Southern Counties South, while any side can fall to Dorset & Wilts 2 South. Each year all 1st XV sides in the division also take part in the RFU Senior Vase – a level 8 national competition – provided they are members of the Dorset & Wilts RFU.