A
- Aaronic Priesthood choir
- M. E. Abbey
- M. E. Abel
- Diana Abreu
- Zequinha de Abreu
- Franz Abt
- A. H. Ackley
- B. D. Ackley
- Francis Acland
- Adolphe Adam
- Crosby Adams
- Lonnie Dobson Adams
- Marilyn P. Adams
- Ophelia G. Adams
- Rebecca Smith Adams
- Sarah F. Adams
- Stephanie K. Adams
- Stephen Adams
- Joseph Addison
- Milcah Adonis
- Christian Affleck
- Afterglow
- Carl-Bertil Agnestig
- Johann Agricola
- Norman Carl Ahern Jr.
- JB Ahfua
- Bob Ahlander
- R. Peter Ahléen
- Waldemar Åhlén
- Oscar Ahnfelt
- Lynn Ahrens
- Joyce A. Ainsworth
- L. Albert
- Harry Aldous
- Dennis S. Aldridge
- Cecil Frances Alexander
- Lot Alexander
- Lowell Alexander
- Andrea Alfieri
- Henry Alford
- Hugo Alfvén
- Ida Romney Alldredge
- Richard Alldridge
- Amos E. Allen
- Craig Allen
- David Len Allen
- George N. Allen
- James Allen
- Lynette K. Allen
- Penelope Moody Allen
- Rhea B. Allen
- Robert Allen
- T. H. Allen
- William Allen
- Allingham
- Joy Allison
- Brady R. Allred
- Kristen Allred
- Larry A. Allred
- Steve Allred
- Cátia Almeida
- Ray Alston
- Jay Althouse
- Marshall N. Altman
- Luis Álvarez
- R. S. Ambrose
- Mindy Ammons
- Ann Kapp Andersen
- Dorothy S. Andersen
- Elaine A. Andersen
- Hans Christian Andersen
- Kathleen B. Andersen
- Amber Anderson
- Amber LePrey Anderson
- David Anderson
- Gaylene E. Anderson
- Geoffrey Anderson
- Greg Anderson
- Hayley Anderson
- Julie S. Anderson
- Lynne M. Anderson
- M. Audentia Anderson
- Marie Manwaring Anderson
- N. Geoffrey Anderson
- Paul L. Anderson
- Stephen Anderson
- Thelma McKinnon Anderson
- Gabriela Andrade
- Lancelot Andrewes
- Christoffer O. Angeldorff
- Joseph H. Anthony
- Julia Antiporda
- Andrea Antivilo
- Bakos Antónia
- Richard G. Appel
- William I. Appleby
- Jean Applonie
- Thomas Aquinas
- Malcolm Archer
- David Archuleta
- Helga Arellano
- Harold Arlen
- Chuckles Armstrong
- Frank L. Armstrong
- Harry Armstrong
- Matt Armstrong
- Ernst Moritz Arndt
- Kalaya Arne
- Thomas A. Arne
- Sarah Arnesen
- Arnulf of Leuven
- James Arriaza
- James Arrington
- Lisa Arrington
- Ramm Arveseter
- Kay Asay
- Paolo Ascione
- Eda V. Ashby
- Freddie Ashby
- Laura Ashton
- Leila C. Ashton
- Myriel Cluff Ashton
- Aspartame Sunshine
- Frank W. Asper
- Christian Asplund
- Solveig Astad
- Jonathan Bush Atchinson
- Margaret Athey
- George Atkins
- Julie Atwood
- Daniel Auber
- Herbert Auerbach
- Kevin Auernig
- Kristina Austin
- Colton Avery
- Estefania Avila
- Fabián Alejandro Avila
- Charles Avison