New Entry
| Name | Source | Story Count | |
|---|---|---|---|
 | Uchiha Itachi | Naruto | 1 |
| Uchiha Sasuke | Naruto | 4 |
| Uehara Akira | Your and My Secret | 1 |
| Unnamed Intruder | One Piece | 1 |
| Unnamed Male | Mountain Dew | 1 |
| Unnamed Male | SciFi Channel | 1 |
 | Urd | Oh! My Goddess | 1 |
| Usopp | One Piece | 1 |
| Uzumaki Hotaru | Shadow and Flame | 1 |
| Uzumaki Naruko | 5 | |
| Uzumaki Naruto | Naruto | 21 |