People
- Anya Scott-Rodgers
- Any Payne
- Aoife Kenny
- Aolfe Kenny
- Aonghas Ewen
- Aoude Sakho
- April Chamberlain
- April Chamerlain
- April Lindsay
- April Lovelace
- April Sullivan
- Aquabatics
- Arabella Rodrigo
- Archie Combe
- Aretha Ayeh
- Ariane Barnes
- Ariane Nunan
- Arianna Long
- Aria Prasad
- Arif Javid
- Ari Levy
- Ari Liakeas
- Arina Ii
- Arlene Phillips
- Armando Ferriandino and Giovanna Manuela Mar
- Aron Sood
- Aron Usher
- Aron Wild
- Arran Anzani-Jones
- Arranpaul Audio Ltd
- Arron Hough
- Arthur Boan
- Arthur Bostrom
- Arthur Bostrom
- Arthur Gourounlian
- Arthur McBain
- Aryana Ramkhalawon
- Asa Elliot
- Asa Elliott
- Ashen Gupta
- Ash Lawson
- Ashlee Beare
- Ashleigh and Pudsey
- Ashleigh and Sully
- Ashleigh Butler
- Ashleigh Butler and Sulley
- Ashleigh Ethel
- Ashleigh Gill
- Ashleigh Graham
- Ashleigh Gray