- Roaring Boys
- Roaring Cadillacs
- Roaring Jelly
- Roaring Lion
- Roaring Lion
- Roaring Lion
- Roaring Lion & The Cyril Monrose String Orchestra
- Roark
- Roast
- Roastbeef
- Roasted Chestnut Orchestra
- Roasted Soul
- Roayal Academy Consort
- Rob
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- R.O.B.
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- R.O.B
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- R.O.B.
- Rob
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- Rob 500
- Rob
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- Rob ?
- Rob A.
- Rob A. Roy
- Rob Acid
- Rob Ackroyd
- Rob Adams
- Rob Agerbeek
- Rob Agerbeek Trio
- Rob Aker
- Rob Albertson
- Rob Alcock
- Rob Allen
- Rob Allen
- Rob Allen
- Rob Alvord
- Rob Ambrosino
- Rob Amster
- Rob Analyze
- Rob and Rudy
- Rob and the Rockits
- rob andrews
- rob andrews
- Rob Andy
- Rob Angus
- Rob Anhofer
- Rob Anthony
- Rob Anthony
- Rob Anthony
- Rob Antos
- Rob Ariosto
- Rob Ariosto & The Sonic Arts Band
- Rob Armstrong
- Rob Armus
- Rob Arthur
- Rob Ashcraft
- Rob Ashford
- Rob Astor
- Rob Astor
- Rob Attaway
- Rob Attinello
- Rob Atwood
- Rob Augustine
- Rob & Aurae
- Rob Avery
- Rob-B Da Playa
- Rob B Presents Club G
- Rob B. Project
- Rob Bailey
- Rob Baker
- Rob Balder
- Rob Balducci
- Rob Bargad Sextet