- Kanishka NarayanConstituency: Vale of GlamorganParty: Labour
- Karin SmythConstituency: Bristol SouthParty: Labour
- Karl TurnerConstituency: Kingston upon Hull EastParty: Labour
- Kate DeardenConstituency: HalifaxParty: Labour (Co-op)
- Kate OsamorConstituency: Edmonton and Winchmore HillParty: Labour (Co-op)
- Kate OsborneConstituency: Jarrow and Gateshead EastParty: Labour
- Katie LamConstituency: Weald of KentParty: Conservative
- Katie WhiteConstituency: Leeds North WestParty: Labour
- Katrina MurrayConstituency: Cumbernauld and KirkintillochParty: Labour
- Keir MatherConstituency: SelbyParty: Labour
- Kenneth StevensonConstituency: Airdrie and ShottsParty: Labour
- Kerry McCarthyConstituency: Bristol EastParty: Labour
- Kevin BonaviaConstituency: StevenageParty: Labour
- Kevin HollinrakeConstituency: Thirsk and MaltonParty: Conservative
- Kevin McKennaConstituency: Sittingbourne and SheppeyParty: Labour
- Kim JohnsonConstituency: Liverpool RiversideParty: Labour
- Kim LeadbeaterConstituency: Spen ValleyParty: Labour
- Kirith EntwistleConstituency: Bolton North EastParty: Labour
- Kirsteen SullivanConstituency: Bathgate and LinlithgowParty: Labour (Co-op)
- Kirsty BlackmanConstituency: Aberdeen NorthParty: Scottish National Party
- Kirsty McNeillConstituency: MidlothianParty: Labour (Co-op)
- Kit MalthouseConstituency: North West HampshireParty: Conservative