| Name | Party | Ward | End of Term |
|---|
| Adrian Parsons | Liberal Democrats | Altarnun | 2021 |
| Pat Rogerson | Liberal Democrats | Bodmin St Leonard | 2021 |
| Jacquie Gammon | Liberal Democrats | Bodmin St Mary's | 2021 |
| Leigh Frost | Liberal Democrats | Bodmin St Petroc | 2021 |
| John Keeling MBE | Conservative and Unionist | Breage, Germoe and Sithney | 2021 |
| David Parsons | Liberal Democrats | Bude | 2021 |
| Peter La Broy | Liberal Democrats | Bude | 2021 |
| Sally-Anne Saunders | Conservative and Unionist | Bugle | 2021 |
| Andrew Long | Independent / Other | Callington | 2021 |
| John Herd | Conservative and Unionist | Camborne Pendarves | 2021 |
| Paul White | Independent / Other | Camborne Roskear | 2021 |
| Jeff Collins | Independent / Other | Camborne Trelowarren | 2021 |
| David Atherfold | Conservative and Unionist | Camborne Treslothan | 2021 |
| David Biggs | Conservative and Unionist | Camborne Treswithian | 2021 |
| Rob Rotchell | Liberal Democrats | Camelford | 2021 |
| Mark Kaczmarek | Independent / Other | Carharrack, Gwennap and St Day | 2021 |
| John Dyer | Conservative and Unionist | Chacewater, Kenwyn and Baldhu | 2021 |
| John Bastin | Conservative and Unionist | Constantine, Mawnan and Budock | 2021 |
| Loveday Jenkin | Independent / Other | Crowan and Wendron | 2021 |
| Geoffrey Evans | Conservative and Unionist | Falmouth Arwenack | 2021 |
| Alan Jewell | Conservative and Unionist | Falmouth Boslowick | 2021 |
| Mathew McCarthy | Liberal Democrats | Falmouth Penwerris | 2021 |
| Jayne Kirkham | Labour Party | Falmouth Smithick | 2021 |
| David Saunby | Independent / Other | Falmouth Trescobeas | 2021 |
| Martyn Alvey | Conservative and Unionist | Feock and Playing Place | 2021 |
| Robert Hendry | Independent / Other | Four Lanes | 2021 |
| Andy Virr | Conservative and Unionist | Fowey and Tywardreath | 2021 |
| Paula Dolphin | Independent / Other | Grenville and Stratton | 2021 |
| Mario Fonk | Liberal Democrats | Gulval and Heamoor | 2021 |
| Dorothy Kirk | Labour Party | Gunnislake and Calstock | 2021 |
| Lionel Pascoe | Conservative and Unionist | Gwinear-Gwithian and St Erth | 2021 |
| John Pollard | Independent / Other | Hayle North | 2021 |
| Graham Coad | Independent / Other | Hayle South | 2021 |
| Mike Thomas | Independent / Other | Helston North | 2021 |
| John Martin | Liberal Democrats | Helston South | 2021 |
| David Ekinsmyth | Liberal Democrats | Illogan | 2021 |
| Mike Eathorne-Gibbons | Independent / Other | Ladock, St Clement and St Erme | 2021 |
| Chris Batters | Liberal Democrats | Lanivet and Blisland | 2021 |
| John Thomas MBE | Independent / Other | Lanner and Stithians | 2021 |
| Gemma Massey | Liberal Democrats | Launceston Central | 2021 |
| Adam Paynter | Liberal Democrats | Launceston North and North Petherwin | 2021 |
| Jade Farrington | Liberal Democrats | Launceston South | 2021 |
| Linda Taylor | Conservative and Unionist | Lelant and Carbis Bay | 2021 |
| Sally Hawken | Independent / Other | Liskeard East | 2021 |
| Nick Craker | Conservative and Unionist | Liskeard North | 2021 |
| Jane Pascoe | Conservative and Unionist | Liskeard West and Dobwalls | 2021 |
| Armand Toms | Independent / Other | Looe East | 2021 |
| Edwina Hannaford | Liberal Democrats | Looe West, Lansallos and Lanteglos | 2021 |
| Colin Martin | Liberal Democrats | Lostwithiel | 2021 |
| Simon Elliott | Conservative and Unionist | Ludgvan | 2021 |
| Sharon Daw | Conservative and Unionist | Lynher | 2021 |
| Peter Williams | Conservative and Unionist | Mabe, Perranarworthal and St Gluvias | 2021 |
| Sue Nicholas | Conservative and Unionist | Marazion and Perranuthnoe | 2021 |
| Phil Seeva | Conservative and Unionist | Menheniot | 2021 |
| James Mustoe | Conservative and Unionist | Mevagissey | 2021 |
| Richard Pears | Conservative and Unionist | Mount Charles | 2021 |
| Joyce Duffin | Liberal Democrats | Mount Hawke and Portreath | 2021 |
| Carolyn Rule | Independent / Other | Mullion and Grade-Ruan | 2021 |
| Adrian Harvey | Conservative and Unionist | Newlyn and Goonhavern | 2021 |
| Roger Harding | Conservative and Unionist | Newlyn and Mousehole | 2021 |
| Geoff Brown | Liberal Democrats | Newquay Central | 2021 |
| Joanna Kenny | Liberal Democrats | Newquay Pentire | 2021 |
| Oliver Monk | Conservative and Unionist | Newquay Treloggan | 2021 |
| Kevin Towill | Conservative and Unionist | Newquay Tretherras | 2021 |
| Mark Formosa | Conservative and Unionist | Newquay Treviglas | 2021 |
| Richard Buscombe | Liberal Democrats | Padstow | 2021 |
| Jordan Rowse | Conservative and Unionist | Par and St Blazey Gate | 2021 |
| John Symons | Conservative and Unionist | Penryn East and Mylor | 2021 |
| Mary May | Independent / Other | Penryn West | 2021 |
| Matthew Luke | Independent / Other | Penwithick and Boscoppa | 2021 |
| Cornelius Olivier | Labour Party | Penzance Central | 2021 |
| Tim Dwelly | Independent / Other | Penzance East | 2021 |
| Jim McKenna | Independent / Other | Penzance Promenade | 2021 |
| Michael Callan | Independent / Other | Perranporth | 2021 |
| Philip Desmonde | Conservative and Unionist | Pool and Tehidy | 2021 |
| Andrew Wallis | Independent / Other | Porthleven and Helston West | 2021 |
| Nicky Chopak | Liberal Democrats | Poundstock | 2021 |
| Bob Egerton | Independent / Other | Probus, Tregony and Grampound | 2021 |
| George Trubody | Independent / Other | Rame Peninsula | 2021 |
| Barbara Ellenbroek | Conservative and Unionist | Redruth Central | 2021 |
| Stephen Barnes | Labour Party | Redruth North | 2021 |
| Ian Thomas | Independent / Other | Redruth South | 2021 |
| John Wood | Independent / Other | Roche | 2021 |
| Julian German | Independent / Other | Roseland | 2021 |
| Derek Holley | Independent / Other | Saltash East | 2021 |
| Sheila Lennox-Boyd | Conservative and Unionist | Saltash North | 2021 |
| Hilary Frank | Liberal Democrats | Saltash South | 2021 |
| Sam Tamlin | Liberal Democrats | Saltash West | 2021 |
| Pete Mitchell | Liberal Democrats | St Agnes | 2021 |
| Tom French | Conservative and Unionist | St Austell Bay | 2021 |
| Malcolm Brown | Liberal Democrats | St Austell Bethel | 2021 |
| Sandra Heyward | Independent / Other | St Austell Gover | 2021 |
| Jackie Bull | Liberal Democrats | St Austell Poltair | 2021 |
| Pauline Giles | Conservative and Unionist | St Blazey | 2021 |
| Helen Hawkins | Liberal Democrats | St Buryan | 2021 |
| Martin Eddy | Liberal Democrats | St Cleer | 2021 |
| Paul Wills | Independent / Other | St Columb Major | 2021 |
| Fred Greenslade | Independent / Other | St Dennis and Nanpean | 2021 |
| Jim Flashman | Conservative and Unionist | St Dominick, Harrowbarrow and Kelly Bray | 2021 |
| Dick Cole | Independent / Other | St Enoder | 2021 |
| Jesse Foot | Liberal Democrats | St Germans and Landulph | 2021 |
| Stephen Rushworth | Conservative and Unionist | St Issey and St Tudy | 2021 |
| Colonel Richard Robinson MBE | Conservative and Unionist | St Ives East | 2021 |
| Andrew Mitchell | Independent / Other | St Ives West | 2021 |
| Sue James | Liberal Democrats | St Just In Penwith | 2021 |
| Julian Rand MBE | Independent / Other | St Keverne and Meneage | 2021 |
| John Fitter | Conservative and Unionist | St Mawgan and Colan | 2021 |
| Vacancy | Vacant | St Mewan | 2021 |
| Carol Mould | Conservative and Unionist | St Minver and St Endellion | 2021 |
| Mike McLening | Conservative and Unionist | St Stephen-In-Brannel | 2021 |
| Dominic Fairman | Liberal Democrats | St Teath and St Breward | 2021 |
| Neil Burden | Independent / Other | Stokeclimsland | 2021 |
| Dulcie Tudor | Liberal Democrats | Threemilestone and Gloweth | 2021 |
| Barry Jordan | Conservative and Unionist | Tintagel | 2021 |
| Gary Davis | Conservative and Unionist | Torpoint East | 2021 |
| John Crago | Conservative and Unionist | Torpoint West | 2021 |
| Richard Pugh | Conservative and Unionist | Trelawny | 2021 |
| Bert Biscoe | Independent / Other | Truro Boscawen | 2021 |
| Rob Nolan | Liberal Democrats | Truro Redannick | 2021 |
| Loic Rich | Independent / Other | Truro Tregolls | 2021 |
| David Harris | Conservative and Unionist | Truro Trehaverne | 2021 |
| Steve Knightley | Liberal Democrats | Wadebridge East | 2021 |
| Robin Moorcroft | Independent / Other | Wadebridge West | 2021 |