- Jack AbbottLabour (Co-op)MP for IpswichMP since 2024
- Ms Diane AbbottIndependentMP for Hackney North and Stoke NewingtonMP since 1987
- Debbie AbrahamsLabour (Co-op)MP for Oldham East and SaddleworthMP since 2011
- Shockat AdamIndependentMP for Leicester SouthMP since 2024
- Dr Zubir AhmedLabour (Co-op)MP for Glasgow South WestMP since 2024
- Luke AkehurstLabour (Co-op)MP for North DurhamMP since 2024
- Sadik Al-HassanLabour (Co-op)MP for North SomersetMP since 2024
- Mr Bayo AlabaLabour (Co-op)MP for Southend East and RochfordMP since 2024
- Dan AldridgeLabour (Co-op)MP for Weston-super-MareMP since 2024
- Heidi AlexanderLabour (Co-op)MP for Swindon SouthMP since 2024
- Mr Douglas AlexanderLabour (Co-op)MP for Lothian EastMP since 2024
- Rushanara AliLabour (Co-op)MP for Bethnal Green and StepneyMP since 2010
- Tahir AliLabour (Co-op)MP for Birmingham Hall Green and MoseleyMP since 2019
- Dr Rosena Allin-KhanLabour (Co-op)MP for TootingMP since 2016
- Jim AllisterTraditional Unionist VoiceMP for North AntrimMP since 2024
- Gideon AmosLiberal DemocratMP for Taunton and WellingtonMP since 2024
- Callum AndersonLabour (Co-op)MP for Buckingham and BletchleyMP since 2024
- Fleur AndersonLabour (Co-op)MP for PutneyMP since 2019
- Lee AndersonReform UKMP for AshfieldMP since 2019
- Stuart AndersonConservativeMP for South ShropshireMP since 2019
- Stuart AndrewConservativeMP for DaventryMP since 2010
- Tonia AntoniazziLabour (Co-op)MP for GowerMP since 2017
- Steff AquaroneLiberal DemocratMP for North NorfolkMP since 2024
- Edward ArgarConservativeMP for Melton and SystonMP since 2015
- Dr Scott ArthurLabour (Co-op)MP for Edinburgh South WestMP since 2024
- Jess AsatoLabour (Co-op)MP for LowestoftMP since 2024
- James AsserLabour (Co-op)MP for West Ham and BecktonMP since 2024
- Jas AthwalLabour (Co-op)MP for Ilford SouthMP since 2024
- Victoria AtkinsConservativeMP for Louth and HorncastleMP since 2015
- Catherine AtkinsonLabour (Co-op)MP for Derby NorthMP since 2024
- Lewis AtkinsonLabour (Co-op)MP for Sunderland CentralMP since 2024
- Josh BabarindeLiberal DemocratMP for EastbourneMP since 2024
Source: parliament.uk · 1,440 currently sitting · Open Government Licence v3.0