| Name | Party | Ward | End of Term |
|---|
| Gordon Castle | Conservative and Unionist | Alnwick | 06-05-2021 |
| Robert Peter Moore | Conservative and Unionist | Alnwick | 06-05-2021 |
| Terence Clark | Labour Party | Amble | 06-05-2021 |
| Jeffrey George Watson | Conservative and Unionist | Amble West with Warkworth | 06-05-2021 |
| Thomas Sinclair Wilson | Labour Party | Ashington Central | 06-05-2021 |
| Guy Renner-Thompson | Conservative and Unionist | Bamburgh | 06-05-2021 |
| Russell John Wallace | Independent / Other | Bedlington Central | 06-05-2021 |
| William Crosby | Independent / Other | Bedlington East | 06-05-2021 |
| Malcolm Robinson | Independent / Other | Bedlington West | 06-05-2021 |
| John Robert Riddle | Conservative and Unionist | Bellingham | 06-05-2021 |
| Georgina Emma Rowley Hill | Independent / Other | Berwick East | 06-05-2021 |
| Catherine Seymour | Conservative and Unionist | Berwick North | 06-05-2021 |
| Gregah Alan Roughead | Conservative and Unionist | Berwick West with Ord | 06-05-2021 |
| Lynne Grimshaw | Labour Party | Bothal | 06-05-2021 |
| Karen Rachel Quinn | Conservative and Unionist | Bywell | 06-05-2021 |
| David Ledger | Labour Party | Choppington | 06-05-2021 |
| Mark Andrew Purvis | Labour Party | College | 06-05-2021 |
| Nicholas Oliver | Conservative and Unionist | Corbridge | 06-05-2021 |
| Susan Davey | Labour Party | Cowpen | 06-05-2021 |
| Ian Carr Fry Swithenbank | Labour Party | Cramlington East | 06-05-2021 |
| Christine Lesley Dunbar | Conservative and Unionist | Cramlington Eastfield | 06-05-2021 |
| Wayne Daley | Conservative and Unionist | Cramlington North | 06-05-2021 |
| Allan Hepple | Labour Party | Cramlington South East | 06-05-2021 |
| Mark David Swinburn | Conservative and Unionist | Cramlington Village | 06-05-2021 |
| Barry Malcolm Flux | Conservative and Unionist | Cramlington West | 06-05-2021 |
| Kathleen Nisbet | Labour Party | Croft | 06-05-2021 |
| Scott James Dickinson | Labour Party | Druridge Bay | 06-05-2021 |
| James Ian Hutchinson | Conservative and Unionist | Haltwhistle | 06-05-2021 |
| Susan Elizabeth Dungworth | Labour Party | Hartley | 06-05-2021 |
| Brian Charles Gallacher | Labour Party | Haydon | 06-05-2021 |
| Alan Sharp | Liberal Democrats | Haydon and Hadrian | 06-05-2021 |
| Trevor Cessford | Conservative and Unionist | Hexham Central with Acomb | 06-05-2021 |
| Catherine R. Homer | Conservative and Unionist | Hexham East | 06-05-2021 |
| Derek Kennedy | Independent / Other | Hexham West | 06-05-2021 |
| Kenneth Parry | Labour Party | Hirst | 06-05-2021 |
| Bernard Pidcock | Labour Party | Holywell | 06-05-2021 |
| Rupert McLure Gibson | Conservative and Unionist | Humshaugh | 06-05-2021 |
| Gordon Webb | Labour Party | Isabella | 06-05-2021 |
| James Grant Davey | Labour Party | Kitty Brewster | 06-05-2021 |
| Hugh Glen Howard Sanderson | Conservative and Unionist | Longhorsley | 06-05-2021 |
| Wendy Pattison | Conservative and Unionist | Longhoughton | 06-05-2021 |
| Elizabeth Dunn | Labour Party | Lynemouth | 06-05-2021 |
| Richard Watson Wearmouth | Conservative and Unionist | Morpeth Kirkhill | 06-05-2021 |
| David Lee Bawn | Conservative and Unionist | Morpeth North | 06-05-2021 |
| John Ace Beynon | Conservative and Unionist | Morpeth Stobhill | 06-05-2021 |
| Elizabeth M. Simpson | Labour Party | Newbiggin Central and East | 06-05-2021 |
| Deirdre Campbell | Labour Party | Newsham | 06-05-2021 |
| Roderick Malcolm Gordon Lawrie | Conservative and Unionist | Norham and Islandshires | 06-05-2021 |
| David James Towns | Conservative and Unionist | Pegswood | 06-05-2021 |
| Jeffrey Stewart Reid | Liberal Democrats | Plessey | 06-05-2021 |
| Eileen Armstrong | Conservative and Unionist | Ponteland East And Stannington | 06-05-2021 |
| Richard Robert Dodd | Conservative and Unionist | Ponteland North | 06-05-2021 |
| Peter Alan Jackson | Conservative and Unionist | Ponteland South with Heddon | 06-05-2021 |
| Veronica Jones | Conservative and Unionist | Ponteland West | 06-05-2021 |
| Kenneth George Stow | Conservative and Unionist | Prudhoe North | 06-05-2021 |
| Gordon Stewart | Conservative and Unionist | Prudhoe South | 06-05-2021 |
| Steven Christopher Bridgett | Independent / Other | Rothbury | 06-05-2021 |
| James Aidan Lang | Labour Party | Seaton with Newbiggin West | 06-05-2021 |
| Margaret Evelyn Richards | Labour Party | Seghill with Seaton Delaval | 06-05-2021 |
| Trevor Norman Thorne | Conservative and Unionist | Shilbottle | 06-05-2021 |
| John James Gobin | Labour Party | Sleekburn | 06-05-2021 |
| Lesley Jennifer Rickerby | Liberal Democrats | South Blyth | 06-05-2021 |
| Colin William Horncastle | Conservative and Unionist | South Tynedale | 06-05-2021 |
| Julie Denise Foster | Labour Party | Stakeford | 06-05-2021 |
| Patricia Anne Mary Dale | Independent / Other | Stocksfield and Broomhaugh | 06-05-2021 |
| Eileen Cartie | Labour Party | Wensleydale | 06-05-2021 |
| Anthony Harkness Murray | Conservative and Unionist | Wooler | 06-05-2021 |