UK Parliamentarians
- Tahir AliLabourMP for Birmingham Hall Green and MoseleyMP since 2019
- Michael AlisonConservativeMP for SelbyMP since 1964
- Lord Allan of HallamNon-affiliatedMember of the House of LordsPeer since 2010
- Lucy AllanIndependentMP for TelfordMP since 2015
- James AllasonConservativeMP for Hemel HempsteadMP since 1959
- Rupert AllasonConservativeMP for TorbayMP since 1987
- Frank AllaunLabourMP for Salford EastMP since 1955
- Lord Allen of AbbeydaleCrossbenchMember of the House of LordsPeer since 1976
- Lord Allen of KensingtonLabourMember of the House of LordsPeer since 2013
- Heidi AllenLiberal DemocratMP for South CambridgeshireMP since 2015
- Mr Graham AllenLabourMP for Nottingham NorthMP since 1987
- Viscount Allenby of MegiddoCrossbenchMember of the House of LordsPeer since 1985
- Viscount AllendaleConservativeMember of the House of LordsPeer since 1956
- Lord AllertonConservativeMember of the House of LordsPeer since 1925
- Lord AlliLabourMember of the House of LordsPeer since 1998
- Lord AllianceLiberal DemocratMember of the House of LordsPeer since 2004
- Dr Rosena Allin-KhanLabourMP for TootingMP since 2016
- Jim AllisterTraditional Unionist VoiceMP for North AntrimMP since 2024
- Lord AlportIndependent ConservativeMember of the House of LordsPeer since 1961
- Baroness AltmannNon-affiliatedMember of the House of LordsPeer since 2015
- Lord Alton of LiverpoolCrossbenchMember of the House of LordsPeer since 1997
- Lord AltrinchamConservativeMember of the House of LordsPeer since 2021
- Lord AlvinghamNon-affiliatedMember of the House of LordsPeer since 1955
- Lord Amery of LustleighConservativeMember of the House of LordsPeer since 1992
- Julian AmeryConservativeMP for Brighton, PavilionMP since 1969
- Mike AmesburyIndependentMP for Runcorn and HelsbyMP since 2017
- Sir David AmessConservativeMP for Southend WestMP since 1983
- Lord Amherst of HackneyCrossbenchMember of the House of LordsPeer since 1980
- Earl of AmherstLiberal DemocratMember of the House of LordsPeer since 1927
- Baroness AmosLabourMember of the House of LordsPeer since 1997
- Gideon AmosLiberal DemocratMP for Taunton and WellingtonMP since 2024
- Mr Alan AmosConservativeMP for HexhamMP since 1987
Source: parliament.uk · 1,424 currently sitting · Open Government Licence v3.0