| 21. | Unband (1) |
| 22. | Uncle Kracker (1) |
| 23. | Uncle Vic (1) |
| 24. | Underground Operations (1) |
| 25. | Underhill, Owen (9) |
| 26. | Underhill, Richard (2) |
| 27. | Undertakers (1) |
| 28. | Underwood, Major James (1) |
| 29. | Underworld (2) |
| 30. | UNESCO (3) |
| 31. | Unger, Heinz (4) |
| 32. | Unger, Kevin (2) |
| 33. | Ungerleider, Suzie (4) |
| 34. | Unicorns, The (1) |
| 35. | Unintended, The (2) |
| 36. | Union (2) |
| 37. | Union des artistes (1) |
| 38. | Union Underground (1) |
| 39. | Union Wilde (1) |
| 40. | Unionville High School Symphonic Wind Ensemble (3) |