| Name | Party | Ward | End of Term |
|---|
| Rebecca Knox | Conservative and Unionist | Beaminster | 2017 |
| Pauline Batstone | Conservative and Unionist | Blackmore Vale | 2017 |
| Barrie Cooper | Liberal Democrats | Blandford | 2017 |
| Ronald Coatsworth | Conservative and Unionist | Bride Valley | 2017 |
| Ros Kayes | Liberal Democrats | Bridport | 2017 |
| Mark Tewkesbury | Labour Party | Broadwey | 2017 |
| David Jones | Conservative and Unionist | Burton Grange | 2017 |
| Ian Gardner | Conservative and Unionist | Chickerell & Chesil Bank | 2017 |
| Peter Hall | Conservative and Unionist | Christchurch Central | 2017 |
| Janet Dover | Liberal Democrats | Colehill and Stapehill | 2017 |
| Margaret Phipps | Conservative and Unionist | Commons | 2017 |
| Susan Jefferies | Liberal Democrats | Corfe Mullen | 2017 |
| Steve Butler | Conservative and Unionist | Cranborne Chase | 2017 |
| Trevor Jones | Liberal Democrats | Dorchester | 2017 |
| Richard Biggs | Liberal Democrats | Dorchester | 2017 |
| Peter Wharf | Conservative and Unionist | Egdon Heath | 2017 |
| Andrew Parry | Conservative and Unionist | Ferndown | 2017 |
| Steven Lugg | Conservative and Unionist | Ferndown | 2017 |
| David Walsh | Conservative and Unionist | Gillingham | 2017 |
| Deborah Croney | Conservative and Unionist | Hambledon | 2017 |
| Colin Jamieson | Conservative and Unionist | Highcliffe and Walkford | 2017 |
| Andy Canning | Liberal Democrats | Linden Lea | 2017 |
| David Mannings | Liberal Democrats | Lodmoor | 2017 |
| Frederick Drane | Liberal Democrats | Lytchett | 2017 |
| Daryl Turner | Conservative and Unionist | Marshwood Vale | 2017 |
| Robin Cook | Conservative and Unionist | Minster | 2017 |
| Lesley Dedman | Conservative and Unionist | Mudeford and Highcliffe | 2017 |
| Kate Wheller | Labour Party | Portland Harbour | 2017 |
| Paul Kimber | Labour Party | Portland Tophill | 2017 |
| Mike Lovell | Conservative and Unionist | Purbeck Hills | 2017 |
| Clare Sutton | Green Party (E&W) | Rodwell | 2017 |
| Mervyn Jeffery | Liberal Democrats | Shaftesbury | 2017 |
| Robert Gould | Conservative and Unionist | Sherborne | 2017 |
| Matt Hall | Liberal Democrats | Sherborne Rural | 2017 |
| Peter Richardson | Conservative and Unionist | St Leonards and St Ives | 2017 |
| Andrew Cattaway | Conservative and Unionist | Stour Vale | 2017 |
| William Trite | Conservative and Unionist | Swanage | 2017 |
| Jill Haynes | Conservative and Unionist | Three Valleys | 2017 |
| Spencer Flower | Conservative and Unionist | Verwood and Three Legged Cross | 2017 |
| Toni Coombs | Conservative and Unionist | Verwood and Three Legged Cross | 2017 |
| Beryl Ezzard | Liberal Democrats | Wareham | 2017 |
| Peter Finney | Conservative and Unionist | West Moors & Holt | 2017 |
| David Harris | Liberal Democrats | Westham | 2017 |
| Mike Byatt | Conservative and Unionist | Weymouth Town | 2017 |
| Hilary Cox | Conservative and Unionist | Winterborne | 2017 |