| Name | Party | Ward | End of Term |
|---|
| Scott Bamsey | Plaid Cymru - The Party of Wales | Aberavon | 06 May 21 |
| Nigel Thomas Hunt | Plaid Cymru - The Party of Wales | Aberavon | 06 May 21 |
| Steffan ap Dafydd | Labour Party | Aberavon | 06 May 21 |
| Doreen Jones | Labour Party | Aberdulais | 06 May 21 |
| Christopher John Jones | Labour Party | Alltwen | 06 May 21 |
| Carol Clement-Williams | Labour Party | Baglan | 06 May 21 |
| Peter D.Richards | Labour Party | Baglan | 06 May 21 |
| Susanne Renkes | Labour Party | Baglan | 06 May 21 |
| Carolyn Edwards | Plaid Cymru - The Party of Wales | Blaengwrach | 06 May 21 |
| Chris James | Labour Party | Briton Ferry East | 06 May 21 |
| Hugh N. James | Labour Party | Briton Ferry West | 06 May 21 |
| David Whitelock | Labour Party | Bryn and Cwmavon | 06 May 21 |
| Rhidian Mizen | Labour Party | Bryn and Cwmavon | 06 May 21 |
| Charlotte Galsworthy | Labour Party | Bryn and Cwmavon | 06 May 21 |
| Wyndham Fryer Griffiths | Plaid Cymru - The Party of Wales | Bryn-coch North | 06 May 21 |
| Chris Williams | Plaid Cymru - The Party of Wales | Bryn-coch South | 06 May 21 |
| Jo Hale | Plaid Cymru - The Party of Wales | Bryn-coch South | 06 May 21 |
| Annette Wingrave | Labour Party | Cadoxton | 06 May 21 |
| John Warman | Labour Party | Cimla | 06 May 21 |
| Adam McGrath | Labour Party | Cimla | 06 May 21 |
| Arthur P.H.Davies | Labour Party | Coedffranc Central | 06 May 21 |
| Angharad Rebecca Aubrey | Labour Party | Coedffranc Central | 06 May 21 |
| Mike Harvey | Labour Party | Coedffranc North | 06 May 21 |
| Helen Ceri Clarke | Liberal Democrats | Coedffranc West | 06 May 21 |
| Sian Harris | Independent / Other | Crynant | 06 May 21 |
| Hugh Jones | Plaid Cymru - The Party of Wales | Cwmllynfell | 06 May 21 |
| Scott Jones | Independent / Other | Cymmer | 06 May 21 |
| Martyn Peters | Plaid Cymru - The Party of Wales | Dyffryn | 06 May 21 |
| Nicola-Jayne Elsie Davies | Independent / Other | Glyncorrwg | 06 May 21 |
| Del Morgan | Plaid Cymru - The Party of Wales | Glynneath | 06 May 21 |
| Simon Anthony Knoyle | Independent / Other | Glynneath | 06 May 21 |
| Rosalyn Davies | Plaid Cymru - The Party of Wales | Godre'r graig | 06 May 21 |
| Sonia Reynolds | Labour Party | Gwaun-Cae-Gurwen | 06 May 21 |
| Jane Jones | Independent / Other | Gwynfi | 06 May 21 |
| Arwyn N.Woolcock | Labour Party | Lower Brynamman | 06 May 21 |
| Rob G. Jones | Labour Party | Margam | 06 May 21 |
| Sandra Miller | Labour Party | Neath East | 06 May 21 |
| Sheila M. Penry | Labour Party | Neath East | 06 May 21 |
| John Miller | Labour Party | Neath East | 06 May 21 |
| Alan R.Lockyer | Labour Party | Neath North | 06 May 21 |
| Mark Protheroe | Labour Party | Neath North | 06 May 21 |
| Peter A.Rees | Labour Party | Neath South | 06 May 21 |
| Jamie Evans | Plaid Cymru - The Party of Wales | Neath South | 06 May 21 |
| Dean Cawsey | Labour Party | Onllwyn | 06 May 21 |
| Jeremy Hurley | Independent / Other | Pelenna | 06 May 21 |
| Anthony John Richards | Plaid Cymru - The Party of Wales | Pontardawe | 06 May 21 |
| Linet M.Purcell | Plaid Cymru - The Party of Wales | Pontardawe | 06 May 21 |
| Dennis Keogh | Labour Party | Port Talbot | 06 May 21 |
| Sharon Freeguard | Labour Party | Port Talbot | 06 May 21 |
| Saifur Rahaman | Labour Party | Port Talbot | 06 May 21 |
| Dean Lewis | Independent / Other | Resolven | 06 May 21 |
| Alex L.Thomas | Labour Party | Rhos | 06 May 21 |
| Sean Pursey | Labour Party | Sandfields East | 06 May 21 |
| Matthew Crowley | Labour Party | Sandfields East | 06 May 21 |
| Edward V.Latham | Labour Party | Sandfields East | 06 May 21 |
| Oliver Stewart Davies | Labour Party | Sandfields West | 06 May 21 |
| Suzanne Paddison | Labour Party | Sandfields West | 06 May 21 |
| Robert William Wood | Labour Party | Sandfields West | 06 May 21 |
| Steve K.Hunt | Independent / Other | Seven Sisters | 06 May 21 |
| Rachel Louise Taylor | Labour Party | Tai-bach | 06 May 21 |
| Anthony J.Taylor | Labour Party | Tai-bach | 06 May 21 |
| Leanne Jones | Labour Party | Tonna | 06 May 21 |
| Rebeca Phillips | Plaid Cymru - The Party of Wales | Trebanos | 06 May 21 |
| Alun Llewelyn | Plaid Cymru - The Party of Wales | Ystalyfera | 06 May 21 |