| The Alien Babe |
| The Aliens |
| The Aliens Mx |
| The Alif |
| The Alignment |
| The Alimony |
| The Aliso |
| The Alive Collective |
| The Alive! |
| The Alkyli Project |
| The All American Band |
| The All American Boys Chorus |
| The All American Rejects |
| The All Goods |
| The All Innocent |
| The All Seeing I |
| The All Star Big Band |
| The All Stars |
| The All Stars and Jimmy Page |
| The All Stars Stompers |
| The All-American Rejects |
| The Allah |
| The Allen Farnham Quartet |
| The Allen Lewitt Project |
| The Allen Starr Musical Theatre |
| The Allendales |
| The Allender Band |
| The Aller Værste! |
| The Allergies |
| The Alley Cats |
| The Alley Kats |
| The Alleycats |
| The Alleys |
| The Allies |
| The Alligators |
| The Allisons |
| The Allman Betts Band |
| The Allman Brothers |
| The Allman Brothers Band |
| The Allstars Collective |
| The Allstarz |
| The Allure |
| The Ally Dogs |
| The Ally J Band |
| The Almanac Singers |
| The Almas |
| The Almighty |
| The Almighty GloryUs |
| The Almighty Rhombus |
| The Almighty RSO |
| The Almighty Terribles |
| The Almonds |
| The Almost |
| The Almost Maybes |
| The Almost Renegade |
| The Aloha Steamtrain |
| The Alohas |
| The Alona Decade |
| The Aloof |
| The Aloom Project |
| The Alpacas |
| The Alpha Bet |
| The Alpha Conspiracy |
| The Alpha Sequence |
| The Alphabet Girls |
| The Alphabet Zero |
| The Alphas |
| The Alpine |
| The Alpines |
| The Alright Maybes |
| The Alshire Singers |
| The Also |
| The Alta California Orchestra |
| The Altars |
| The Alter Boys |
| The Altered |
| The Alterior |
| The Alternate Guitar Technique |
| The Alternate Routes |
| The Alternating Currents |
| The Alternative Facts |
| The Altitude |
| The Altogether |
| The Altruist |
| The Aluminum Group |
| The Amal |
| The Amateurs |
| The Amatucci Quintet |
| The amazing Lorenzo Landini |
| The Amazing Rhythm Aces |
| The Amazing Stone Cold Killer Boys |
| The Amazing T-Bird |
| The Amazons |
| The Ambassador |
| The Ambassadors |
| The Amber |
| The Amber Unit |
| The Ambient Light |
| The Ambition |
| The Ambition Company |
