- Universal Source -- University Christian Fellowship
- University Circle Wind Ensemble -- University of Memphis Marching Band
- University of Memphis Southern Comfort Jazz Orches -- University of Roots
- University of South Florida -- Universol
- Universum -- Unknowledge
- Unknown -- Unknown Factor
- Unknown Flames -- UnknownmiX
- UnknownmiX -- Unlimited Perception
- Unlimited Struggle -- Unnamed Ethiopian Musicians
- Unnamed Moroccan Musicians -- Uno Twit X Flo Mega
- U.N.O. (Unidentified Noisy Object) -- Unreal
- Unreal -- Unseen
- Unseen Addiction -- Unseen Terror