| Name | Party | Ward | End of Term |
|---|
| Mike Beecham | Reform UK | Alford & Sutton | 2029 |
| Trevor Bridgwood | Reform UK | Bardney & Cherry Willingham | 2029 |
| Marianne Overton | Lincolnshire Independents Lincolnshire First | Bassingham & Welbourn | 2029 |
| Brenda Collier | Reform UK | Birchwood | 2029 |
| Alistair Arundell | Reform UK | Boston Coastal | 2029 |
| Maggie Cullen | Reform UK | Boston North | 2029 |
| Paul Lock | Reform UK | Boston Rural | 2029 |
| Barry Daish | Reform UK | Boston South | 2029 |
| Michael Cheyne | Reform UK | Boston West | 2029 |
| Kevin Clarke | Labour Party | Boultham | 2029 |
| Susan Woolley | Conservative and Unionist | Bourne North and Morton | 2029 |
| Kenneth Redfern | Reform UK | Bourne South and Thurlby | 2029 |
| Neil Murray | Labour Party | Carholme | 2029 |
| Charlotte Vernon | Conservative and Unionist | Colsterworth Rural | 2029 |
| Raymond Condell | Reform UK | Crowland | 2029 |
| Philip Dilks | Independent / Other | Deepings East | 2029 |
| Ashley Baxter | Independent / Other | Deepings West and Rural | 2029 |
| Jane King | Reform UK | Donington Rural | 2029 |
| Alan Woodruff | Reform UK | Eagle & Hykeham West | 2029 |
| Karen Lee | Labour Party | Ermine & Cathedral | 2029 |
| Martin Hill | Conservative and Unionist | Folkingham Rural | 2029 |
| Matthew Boles | Liberal Democrats | Gainsborough Hill | 2029 |
| Paul Wimhurst | Reform UK | Gainsborough Rural South | 2029 |
| Trevor Young | Liberal Democrats | Gainsborough Trent | 2029 |
| Richard Litchfield | Reform UK | Grantham Barrowby | 2029 |
| Cain Parkinson | Reform UK | Grantham East | 2029 |
| Paul Martin | Conservative and Unionist | Grantham North | 2029 |
| Carl Edgoose-Zagorskiy | Reform UK | Grantham South | 2029 |
| Richard Davies | Conservative and Unionist | Grantham West | 2029 |
| Stuart Grantham | Reform UK | Hartsholme | 2029 |
| David East | Reform UK | Heckington | 2029 |
| Thomas Sneath | Reform UK | Holbeach | 2029 |
| Neil Carey | Reform UK | Holbeach Rural | 2029 |
| Philip Roberts | Reform UK | Horncastle & the Keals | 2029 |
| Kenneth Bamford | Reform UK | Hough | 2029 |
| Stephen Roe | Conservative and Unionist | Hykeham Forum | 2029 |
| Danny Brookes | Reform UK | Ingoldmells Rural | 2029 |
| Nick Hastings | Reform UK | Louth North | 2029 |
| Thomas Catton | Reform UK | Louth South | 2029 |
| Alex McGonigle | Reform UK | Louth Wolds | 2029 |
| Courtney Robinson | Reform UK | Mablethorpe | 2029 |
| Stephen Bunney | Liberal Democrats | Market Rasen Wolds | 2029 |
| Robert Kendrick | Conservative and Unionist | Metheringham Rural | 2029 |
| Jacqueline Brockway | Conservative and Unionist | Nettleham & Saxilby | 2029 |
| James Bean | Reform UK | North Wolds | 2029 |
| Natasha Chapman | Liberal Democrats | Park | 2029 |
| Ian Carrington | Conservative and Unionist | Potterhanworth & Coleby | 2029 |
| Richard Wright | Conservative and Unionist | Ruskington | 2029 |
| Bayleigh Robinson | Reform UK | Saltfleet & the Cotes | 2029 |
| Christopher Reeve | Reform UK | Scotter Rural | 2029 |
| Adrian Findley | Reform UK | Skegness North | 2029 |
| Jimmy Brookes | Reform UK | Skegness South | 2029 |
| Sam French | Reform UK | Skirbeck | 2029 |
| Steve Clegg | Reform UK | Sleaford | 2029 |
| Raymond Whitaker | Reform UK | Sleaford Rural | 2029 |
| Robert Gibson | Reform UK | Spalding East | 2029 |
| Ingrid Sheard | Reform UK | Spalding Elloe | 2029 |
| Gary Taylor | Conservative and Unionist | Spalding South | 2029 |
| Manzur Hasan | Reform UK | Spalding West | 2029 |
| Martin Christopher | Liberal Democrats | St. Giles | 2029 |
| Kelham Cooke | Conservative and Unionist | Stamford East | 2029 |
| Richard Cleaver | Independent / Other | Stamford West | 2029 |
| Liam Kelly | Reform UK | Swallow Beck & Witham | 2029 |
| Sean Matthews | Reform UK | Tattershall Castle | 2029 |
| Robbie Woods | Reform UK | The Suttons | 2029 |
| Thomas Dyer | Conservative and Unionist | Waddington & Hykeham East | 2029 |
| Maria Hume | Reform UK | Wainfleet | 2029 |
| Lindsey Cawrey | Conservative and Unionist | Washingborough | 2029 |
| Jane Smith | Reform UK | Welton Rural | 2029 |
| Natalie Oliver | Reform UK | Woodhall Spa & Wragby | 2029 |