| Name | Party | Ward | End of Term |
|---|
| Colin Matthews | Conservative and Unionist | Alford and Sutton | 2025 |
| Ian Fleetwood | Conservative and Unionist | Bardney and Cherry Willingham | 2025 |
| Marianne Overton | Lincolnshire Independents Lincolnshire First | Bassingham and Welbourn | 2025 |
| Edmund Strengiel | Conservative and Unionist | Birchwood | 2025 |
| Paul Skinner | Conservative and Unionist | Boston Coastal | 2025 |
| Anton Dani | Conservative and Unionist | Boston North | 2025 |
| Michael Brookes | Conservative and Unionist | Boston Rural | 2025 |
| Alison Austin | Independent / Other | Boston South | 2025 |
| Paula Ashleigh-Morris | Conservative and Unionist | Boston West | 2025 |
| Kevin Clarke | Labour Party | Boultham | 2025 |
| Susan Woolley | Conservative and Unionist | Bourne North and Morton | 2025 |
| Robert Reid | Conservative and Unionist | Bourne South and Thurlby | 2025 |
| Rob Parker | Labour Party | Carholme | 2025 |
| Bob Adams | Conservative and Unionist | Colsterworth Rural | 2025 |
| Nigel Pepper | Conservative and Unionist | Crowland | 2025 |
| Philip Dilks | Independent / Other | Deepings East | 2025 |
| Ashley Baxter | Independent / Other | Deepings West and Rural | 2025 |
| Jane King | South Holland Independents | Donington Rural | 2025 |
| Mike Thompson | Conservative and Unionist | Eagle and Hykeham West | 2025 |
| Karen Lee | Labour Party | Ermine and Cathedral | 2025 |
| Martin Hill | Conservative and Unionist | Folkingham Rural | 2025 |
| Matthew Boles | Liberal Democrats | Gainsborough Hill | 2025 |
| Richard Butroid | Conservative and Unionist | Gainsborough Rural South | 2025 |
| Trevor Young | Liberal Democrats | Gainsborough Trent | 2025 |
| Mark Whittington | Conservative and Unionist | Grantham Barrowby | 2025 |
| Linda Wootten | Conservative and Unionist | Grantham East | 2025 |
| Ray Wootten | Conservative and Unionist | Grantham North | 2025 |
| Adam Stokes | Conservative and Unionist | Grantham South | 2025 |
| Richard Davies | Conservative and Unionist | Grantham West | 2025 |
| Michael Clarke | Conservative and Unionist | Hartsholme | 2025 |
| Andrew Key | Conservative and Unionist | Heckington | 2025 |
| Tracey Carter | Conservative and Unionist | Holbeach | 2025 |
| Peter Coupland | Conservative and Unionist | Holbeach Rural | 2025 |
| William Gray | Conservative and Unionist | Horncastle and The Keals | 2025 |
| Alexander Maughan | Conservative and Unionist | Hough | 2025 |
| Stephen Roe | Conservative and Unionist | Hykeham Forum | 2025 |
| Colin Davie | Conservative and Unionist | Ingoldmells Rural | 2025 |
| Alex Hall | Conservative and Unionist | Louth North | 2025 |
| Sarah Parkin | Independent / Other | Louth South | 2025 |
| Charles Marfleet | Conservative and Unionist | Louth Wolds | 2025 |
| Noi Sear | Conservative and Unionist | Mablethorpe | 2025 |
| Stephen Bunney | Liberal Democrats | Market Rasen Wolds | 2025 |
| Robert Kendrick | Conservative and Unionist | Metheringham Rural | 2025 |
| Jacqueline Brockway | Conservative and Unionist | Nettleham and Saxilby | 2025 |
| Thomas Smith | Conservative and Unionist | North Wolds | 2025 |
| Julie Killey | Labour Party | Park | 2025 |
| Ian Carrington | Conservative and Unionist | Potterhanworth and Coleby | 2025 |
| Richard Wright | Conservative and Unionist | Ruskington | 2025 |
| Daniel McNally | Conservative and Unionist | Saltfleet and the Cotes | 2025 |
| Clio Perraton-Williams | Conservative and Unionist | Scotter Rural | 2025 |
| Carl Macey | Conservative and Unionist | Skegness North | 2025 |
| Susan Nutman | Conservative and Unionist | Skegness South | 2025 |
| Martin Griggs | Conservative and Unionist | Skirbeck | 2025 |
| Mark Allan | Conservative and Unionist | Sleaford | 2025 |
| Andrew Hagues | Conservative and Unionist | Sleaford Rural | 2025 |
| Robert Gibson | South Holland Independents | Spalding East | 2025 |
| Elizabeth Sneath | Conservative and Unionist | Spalding Elloe | 2025 |
| Gary Taylor | Conservative and Unionist | Spalding South | 2025 |
| Angela Newton | South Holland Independents | Spalding West | 2025 |
| Nicola Clarke | Conservative and Unionist | St Giles | 2025 |
| Kelham Cooke | Conservative and Unionist | Stamford East | 2025 |
| Richard Cleaver | Independent / Other | Stamford West | 2025 |
| Hilton Spratt | Conservative and Unionist | Swallow Beck and Witham | 2025 |
| Thomas Ashton | Conservative and Unionist | Tattershall Castle | 2025 |
| Jack Tyrrell | Conservative and Unionist | The Suttons | 2025 |
| Thomas Dyer | Conservative and Unionist | Waddington and Hykeham East | 2025 |
| Wendy Bowkett | Conservative and Unionist | Wainfleet | 2025 |
| Lindsey Cawrey | Conservative and Unionist | Washingborough | 2025 |
| Susan Rawlins | Conservative and Unionist | Welton Rural | 2025 |
| Patricia Bradwell | Conservative and Unionist | Woodhall Spa and Wragby | 2025 |