Dorset & Wilts 4

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.

2015–16
The 2015–16 Dorset & Wilts 4 consisted of five teams; two of which were based in Dorset and one each in Hampshire, Somerset and Wiltshire. The season started on 26 September 2015 and ended on 2 April 2016.

Participating teams and location
Two of the five teams participated in the previous season's competition. The 2014-15 champions, Dorchester III, along with runners up, Lytchett Minster II, were promoted to Dorset & Wilts 3 South. As the basement league in Dorset & Wilts there was no relegation.

Participating Clubs 2012–13

 * Blandford II
 * Bournemouth IV
 * Bridport II
 * Ellingham & Ringwood III
 * Lytchett Minster II
 * New Milton III
 * North Dorset IV
 * Swanage & W IV
 * Weymouth III

Number of league titles

 * Bournemouth IV (2)
 * Dorchester III (1)
 * Frome III (1)
 * Weymouth & Portland II (1)