Illustrators
- Robin Armstrong 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
- Norman Ault 1
- Margaret Aulton 2
- John Austen 1
- Cyril F. Austin 1
- Henry Austin 3
- 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 4