- A (British band)
- A Camp
- A Certain Ratio
- A Day to Remember (US post-hardcore band)
- A Dozen Furies
- A Fine Frenzy
- A Flock of Seagulls
- A House
- A Life Once Lost
- A Perfect Circle
- A Place to Bury Strangers
- A Plea for Purging
- A Silver Mt. Zion
- A Skylit Drive
- A Static Lullaby (US post-hardcore band)
- A Sunny Day in Glasgow
- A Tribe Called Quest
- A Wilhelm Scream
- A, Dominique
- a-ha
- A-Trak
- A.I.D.A. (Dutch trance duo, "Far and Away", "Remember Me")
- AaRON (French pop duo)
- AB4
- Abacabb
- Abattoir
- ABBA
- ABC (English 80's Pop)
- Abdul, Paula
- Abe Vigoda
- Abigail Williams
- abingdon boys school
- Abnormal
- Aborted (Belgian brutal death metal band)
- Abramis brama
- Abrogation
- Abscess (Death-metal band from USA)
- Absolute Beginner
- Absoluuttinen Nollapiste
- Abstürzende Brieftauben
- Absu
- Absurd Minds
- AC/DC
- Acacia Strain, The
- Academy Is..., The
- Accept
- Accessory
- Accüsed, The
- Ace Enders and A Million Different People
- Ace of Base
- Acheron (black metal band)
- Acid Drinkers
- Acid Mothers Temple & The Melting Paraiso U.F.O.
- Acorn, The
- Actov Life
- Adagio
- Adam and the Ants
- Adama
- Adams, Bryan
- Adams, Ryan
- Adams, Ryan & Cardinals, The
- Adanowsky
- Adaro
- Adele (UK Soul/Jazz singer)
- Adelitas Way
- Adema
- Adept
- Adicts, The
- Adimiron
- Adkins, Trace
- Adler's Appetite
- Admiral Freebee
- Ador Dorath
- Adorned Brood
- ADULT.
- Adverts, The
- ADX
- Aeon (Swedish death metal band)
- Aeronauten, Die
- Aerosmith
- Aesop Rock
- Aesthetic Perfection
- Afflicted
- Afghan Whigs, The
- AFI
- Afro Kolektyw
- Afrob
- Afront
- After All (Thrash Metal from Belgium)
- After Forever
- After the Burial
- After the Fire
- Afterhours
- Afu-Ra
- Against Me!
- Agalloch
- Agathodaimon
- Agenda of Swine
- Agent Steel
- Aggrolites, The