| Name | Party | Ward | End of Term |
|---|
| Rachel Hodson | Labour Party | Adwick le Street & Carcroft | 06-05-2021 |
| David Hughes | Labour Party | Adwick le Street & Carcroft | 06-05-2021 |
| John Mounsey | Labour Party | Adwick le Street & Carcroft | 06-05-2021 |
| Frank Tyas | Labour Party | Armthorpe | 06-05-2021 |
| Chris McGuinness | Labour Party | Armthorpe | 06-05-2021 |
| Sue McGuinness | Labour Party | Armthorpe | 06-05-2021 |
| Nuala Fennelly | Labour Party | Balby South | 06-05-2021 |
| John Healy | Labour Party | Balby South | 06-05-2021 |
| Charlie Hogarth | Labour Party | Bentley | 06-05-2021 |
| Bill Mordue | Labour Party | Bentley | 06-05-2021 |
| Jane Nightingale | Labour Party | Bentley | 06-05-2021 |
| Neil Gethin | Labour Party | Bessacarr | 06-05-2021 |
| Majid Khan | Labour Party | Bessacarr | 06-05-2021 |
| Nick Allen | Conservative and Unionist Party | Bessacarr | 06-05-2021 |
| Lani-Mae Ball | Labour Party | Conisbrough | 06-05-2021 |
| Nigel Ball | Labour Party | Conisbrough | 06-05-2021 |
| Ian Pearson | Labour Party | Conisbrough | 06-05-2021 |
| David Nevett | Labour Party | Edenthorpe & Kirk Sandall | 06-05-2021 |
| Andrea Robinson | Labour Party | Edenthorpe & Kirk Sandall | 06-05-2021 |
| Phil Cole | Labour Party | Edlington & Warmsworth | 06-05-2021 |
| Tina Reid | Independent / Other | Edlington & Warmsworth | 06-05-2021 |
| Jane Cox | Conservative and Unionist Party | Finningley | 06-05-2021 |
| Steve Cox | Conservative and Unionist Party | Finningley | 06-05-2021 |
| Richard A Jones | Conservative and Unionist Party | Finningley | 06-05-2021 |
| Duncan Anderson | Labour Party | Hatfield | 06-05-2021 |
| Linda Curran | Labour Party | Hatfield | 06-05-2021 |
| Derek Smith | Labour Party | Hatfield | 06-05-2021 |
| Glyn Jones | Labour Party | Hexthorpe & Balby North | 06-05-2021 |
| Sue Wilkinson | Labour Party | Hexthorpe & Balby North | 06-05-2021 |
| Bev Chapman | Mexborough First | Mexborough | 06-05-2021 |
| Sean Gibbons | Mexborough First | Mexborough | 06-05-2021 |
| Andy Pickering | Mexborough First | Mexborough | 06-05-2021 |
| Iris Beech | Labour Party | Norton & Askern | 06-05-2021 |
| John Gilliver | Labour Party | Norton & Askern | 06-05-2021 |
| Austen White | Labour Party | Norton & Askern | 06-05-2021 |
| Pat Haith | Labour Party | Roman Ridge | 06-05-2021 |
| Kevin Rodgers | Labour Party | Roman Ridge | 06-05-2021 |
| Rachael Blake | Labour Party | Rossington & Bawtry | 06-05-2021 |
| Mick Cooper | Labour Party | Rossington & Bawtry | 06-05-2021 |
| John Cooke | Independent / Other | Rossington & Bawtry | 06-05-2021 |
| Cynthia Ransome | Conservative and Unionist Party | Sprotbrough | 06-05-2021 |
| Jonathan Wood | Conservative and Unionist Party | Sprotbrough | 06-05-2021 |
| George Derx | Labour Party | Stainforth & Barnby Dun | 06-05-2021 |
| Ken Keegan | Labour Party | Stainforth & Barnby Dun | 06-05-2021 |
| Joe Blackham | Labour Party | Thorne and Moorends | 06-05-2021 |
| Susan Durant | Labour Party | Thorne and Moorends | 06-05-2021 |
| Mark Houlbrook | Labour Party | Thorne and Moorends | 06-05-2021 |
| Martin Greenhalgh | Conservative and Unionist Party | Tickhill & Wadsworth | 06-05-2021 |
| Nigel Cannings | Conservative and Unionist Party | Tickhill & Wadsworth | 06-05-2021 |
| Nikki McDonald | Labour Party | Town | 06-05-2021 |
| Tosh McDonald | Labour Party | Town | 06-05-2021 |
| Dave Shaw | Labour Party | Town | 06-05-2021 |
| Eva Hughes | Labour Party | Wheatley Hills & Intake | 06-05-2021 |
| Jane Kidd | Labour Party | Wheatley Hills & Intake | 06-05-2021 |
| Paul Wray | Labour Party | Wheatley Hills & Intake | 06-05-2021 |