| Ayanna Udongo | Work | Biography | Bibliography | Characteristics |
| Ulay | Work | Biography | Bibliography | Characteristics |
| Wendy Ultan | Work | Biography | Bibliography | Characteristics |
| Alix Umen | Work | Biography | Bibliography | Characteristics |
| Walter Ungerer | Work | Biography | Bibliography | Characteristics |
| Sheila Urbanoski | Work | Biography | Bibliography | Characteristics |
| Nikolai Ursin | Work | Biography | Bibliography | Characteristics |
| TR Uthco | Work | Biography | Bibliography | Characteristics |