Illustrators
- Arkadia 1
- Norman Arlott 10
- Maxwell Armfield 2
- G. Denholm Armour 5
- G.D. Armour 3
- Jenifer Armour 1
- Robin Armstrong 1
- Hans Arnold 1
- James Arnold 4
- Graeme Arnott 1
- Helge Artelius 1
- Jose Aruego 1
- Enid Ash 4
- Camilla Ashforth 2
- Charles Ashmore 1
- Ros Asquith 1
- L. Thomas Atherley 1
- Leslie Atkinson 1
- Mabel Lucie Attwell 70
- Clara E. Atwood 1
- John James Audubon 2
- Margaret Aulton 2
- Cyril F. Austin 1
- Henry Austin 1
- John Austin 1
- Margot Austin 1
- Robert Austin 1
- S. Austin 1
- Karen Avery 1
- Jacqueline Ayer 1
- Michael Ayrton 1
- Russell Ayto 1
- Robert Ayton 3