- The Alaskan Pipeline
- The Album Leaf
- The Alexander Brothers
- The Alexandria Quartet
- The Aliens Of Rock
- The Aller Værste
- The Allisons
- The Allman Brothers
- The Allman Brothers Band
- The Almost
- The Alter Boys
- The Altered Hours
- The Alternate Routes
- The Aluminum Group
- The Amazing
- The Amazing Royal Crowns
- The Amazing Snakeheads
- The Ambience Affair
- The American Analog Set
- The American Breed
- The American Dollar
- The Amity Affliction
- The Amplifetes
- The Analogs
- The Analyst
- The Ancients
- The Anderson Shelter
- The Andrews Sisters
- The Angelcy
- The Angelic Process
- The Anorexic Olson Twin
- The Answer
- The Answering Machine
- The Anti-corn League
- The Antics
- The Antlers
- The Apache Relay
- The Apartments
- The Apathy Eulogy
- The Apers
- The Applejacks
- The Apples In Stereo
- The Appreciation Post
- The Approachables
- The Aquadolls
- The Arcs
- The Aristocrats
- The Arkhams
- The Arma Mirage
- The Arrows