- Callum AndersonConstituency: Buckingham and BletchleyParty: Labour
- Calum MillerConstituency: Bicester and WoodstockParty: Liberal Democrat
- Cameron ThomasConstituency: TewkesburyParty: Independent
- Carla DenyerConstituency: Bristol CentralParty: Green Party
- Carla LockhartConstituency: Upper BannParty: Democratic Unionist Party
- Caroline NokesConstituency: Romsey and Southampton NorthParty: Conservative
- Caroline VoadenConstituency: South DevonParty: Liberal Democrat
- Carolyn HarrisConstituency: Neath and Swansea EastParty: Labour
- Cat EcclesConstituency: StourbridgeParty: Labour
- Cat SmithConstituency: Lancaster and WyreParty: Labour
- Catherine AtkinsonConstituency: Derby NorthParty: Labour
- Catherine FookesConstituency: MonmouthshireParty: Labour
- Catherine McKinnellConstituency: Newcastle upon Tyne NorthParty: Labour
- Catherine WestConstituency: Hornsey and Friern BarnetParty: Labour
- Charlie DewhirstConstituency: Bridlington and The WoldsParty: Conservative
- Charlie MaynardConstituency: WitneyParty: Liberal Democrat
- Charlotte CaneConstituency: Ely and East CambridgeshireParty: Liberal Democrat
- Charlotte NicholsConstituency: Warrington NorthParty: Labour
- Chris BlooreConstituency: RedditchParty: Labour
- Chris BryantConstituency: Rhondda and OgmoreParty: Labour
- Chris CoghlanConstituency: Dorking and HorleyParty: Liberal Democrat
- Chris CurtisConstituency: Milton Keynes NorthParty: Labour
- Chris ElmoreConstituency: BridgendParty: Labour
- Chris EvansConstituency: CaerphillyParty: Labour (Co-op)
- Chris HazzardConstituency: South DownParty: Sinn Féin
- Chris HinchliffConstituency: North East HertfordshireParty: Labour
- Chris KaneConstituency: Stirling and StrathallanParty: Labour
- Chris LawConstituency: Dundee CentralParty: Scottish National Party
- Chris McDonaldConstituency: Stockton NorthParty: Labour
- Chris MurrayConstituency: Edinburgh East and MusselburghParty: Labour
- Chris PhilpConstituency: Croydon SouthParty: Conservative
- Chris VinceConstituency: HarlowParty: Labour (Co-op)
- Chris WardConstituency: Brighton Kemptown and PeacehavenParty: Labour
- Chris WebbConstituency: Blackpool SouthParty: Labour
- Christian WakefordConstituency: Bury SouthParty: Labour
- Christine JardineConstituency: Edinburgh WestParty: Liberal Democrat
- Claire CoutinhoConstituency: East SurreyParty: Conservative
- Claire HannaConstituency: Belfast South and Mid DownParty: Social Democratic & Labour Party
- Claire HazelgroveConstituency: Filton and Bradley StokeParty: Labour
- Claire HughesConstituency: Bangor AberconwyParty: Labour
- Claire YoungConstituency: Thornbury and YateParty: Liberal Democrat
- Clive EffordConstituency: Eltham and ChislehurstParty: Labour
- Clive JonesConstituency: WokinghamParty: Liberal Democrat
- Clive LewisConstituency: Norwich SouthParty: Labour
- Colum EastwoodConstituency: FoyleParty: Social Democratic & Labour Party
- Connor NaismithConstituency: Crewe and NantwichParty: Labour