- John Adams -- John Albano
- John Albert Thomas -- John Aleo
- John Aler -- John Allaire & The Campistas
- John Allan Cameron -- John Allmark
- John Allmark Jazz Orchestra -- John Ambercrombie
- John Amen -- John and Beverley Martyn
- John and Linda Franklin -- John Andre Herrmann
- John Andrew -- John Anthony
- John Anthony -- John Archie Gillis
- John Arden -- John Arntz
- John Arpin -- John Atkins
- John Atkins -- John B.
- John B. & Co. -- John B. Giampietro