Dorset & Wilts 4
| Current season or competition: 2015–16 Dorset & Wilts 4 | |
| Sport | Rugby union |
|---|---|
| Instituted | 2011 |
| Ceased | 2016 |
| Number of teams | 5 |
| Country | England |
| Holders | Weymouth & Portland II (1st title) (2015–16) (promoted to Dorset & Wilts 3 South) |
| Most titles | Bournemouth IV (2 titles) |
| Website | englandrugby.com |
Dorset & Wilts 4 was an English Rugby Union league, forming part of the South West Division, for clubs based in Dorset and Wiltshire as well as the occasional team from Somerset. Promoted teams moved up to Dorset & Wilts 3 North or Dorset & Wilts 3 South depending on geographical position. Due to a lack of teams the league was cancelled at the end of the 2015-16 season.