Authors
- Michael Aston 1
- Shirley Clifford Atchley 1
- Lucia Athens 1
- M. Atiyah 1
- Fred C. Atkins 1
- Frank Atkinson 2
- Henry Atkinson 2
- J.C. Atkinson 1
- John A. Atkinson 1
- M.E. Atkinson 17
- Rick Atkinson 1
- Tom Atkinson 1
- Tony Atkinson 1
- Winifred Atkinson 1
- G.L. Atkinson-Willes 2
- Scott Atran 1
- David Attenborough 2
- Paul Atterbury 1
- H. Atteridge 1
- Helen Atteridge 1
- Jessie Attwell 2
- Mabel Lucie Attwell 23
- John Attwood 1
- Montgomery M. Atwater 1
- John Aubrey 4
- W.H. Auden 1
- Michele Audin 1
- Louis Audouin-Dubreuil 1
- Lawrence A. Audrain 1
- John James Audubon 2
- Jean M. Auel 2
- Steve Augarde 2
- Marc Auge 1
- Roland Auguet 1
- Margaret Aulton 2
- Aunt Charlotte 1
- Aunt Judy 2
- Aunt Louisa 5
- Aunt Ruth 1
- Jane Austen 1
- John Austen 1
- A.B. Austin 3
- H.W. Austin 1
- Hilda Austin 1
- J. Austin 1
- Paul Britten Austin 1
- Robert Austin 2
- Roland Austin 1
- Sarah Austin 2
- Stella Austin 1
- Christopher Austyn 1
- Jesse H. Ausubel 1
- L.I. Avdwyeva 1
- Diana Avebury 2
- Richard Avenarius 1
- Esther Averill 1
- Mike Averill 1
- Alison Averis 1
- Ben Averis 1
- Tom Aversa 1
- Alfred H. Avery 1
- Charles Avery 1
- Ernest Avery 1
- Gillian Avery 7
- Harold Avery 12
- Pat Avery 1
- Zvi Avidror 1
- Jim Avis 1
- Roy Avis 1
- Stan Awbery 1
- Christopher Awdry 8
- Rev. W. Awdry 33
- Herbert Axell 1
- William E.A. Axon 2
- Brian Ayers 1
- James Ayres 1
- Maxwell Ayrton 1
- Michael Ayrton 1
- Emily Ayton 1
- William Edmondstoune Aytoun 1