Illustrators
- James Arnold 4
- Marion H. Arnold 1
- Helge Artelius 1
- Jose Aruego 1
- Enid Ash 6
- Camilla Ashforth 3
- Charles Ashmore 1
- Ros Asquith 1
- Kathleen Atkins 1
- Leslie Atkinson 5
- Mabel Lucie Attwell 51
- John James Audubon 1
- Margaret Aulton 2
- John Austen 2
- Cyril F. Austin 1
- Henry Austin 1
- John Austin 1
- Margot Austin 1
- Robert Austin 1
- S. Austin 1
- Karen Avery 1
- Michael Ayrton 2
- Robert Ayton 3