- Thastrom
- That 1 Guy
- That Dog
- That Handsome Devil
- That Petrol Emotion
- Thats Outrageous
- The 101ers
- The 1975
- The 2 Bears
- The 241ers
- The 357 String Band
- The 3rd And The Mortal
- The 4onthefloor
- The 4th Dimension
- The 5 6 7 8s
- The 5th Dimension
- The 6ths
- The 77s
- The 88
- The Abramson Singers
- The Absence
- The Abuse
- The Acacia Strain
- The Academy Is
- The Accelerators
- The Accidental
- The Accidents
- The Accüsed
- The Ace Of Cups
- The Acorn
- The Acro-brats
- The Action
- The Ad Libs
- The Addicts
- The Adrian William Project
- The Advantage
- The Adverts
- The Advice
- The Afghan Whigs
- The Afterimage
- The Aftermath
- The Afters
- The Afterthought
- The Age Of Rockets
- The Aggrolites
- The Agonist
- The Air I Breathe
- The Airborne Toxic Event
- The Akas
- The Alan Milman Sect
