Tags
| Name ▲ | Type | Count |
| urekemo | Artist | 8 |
| ureos (artist) | Artist | 14 |
| urethra | General | 10 |
| urethral bulge | General | 1 |
| urethral oviposition | General | 1 |
| urethral penetration | General | 2 |
| urhornydumbass | Artist | 1 |
| uri (uri ad) | Character | 1 |
| uriell3 | Artist | 10 |
| urielmanx7 | Artist | 27 |
| uriinu | Artist | 2 |
| urinal drone (hacony) | Character | 1 |
| urine | General | 3 |
| urmutsu (diaperedshaman) | Character | 4 |
| uro0000 | Artist | 4 |
| uro (artist) | Artist | 5 |
| uro 99 | Artist | 6 |
| uroboros (artist) | Artist | 2 |
| uroboros lichi | Artist | 1 |
| urocos | Artist | 17 |
| uromatsu | Artist | 350 |
| urorie4 | Artist | 8 |
| uroroze | Artist | 8 |
| urpone | Artist | 1 |
| ursa | Character | 1 |
| ursa-m1nor | Artist | 93 |
| ursa (ursa) | Character | 3 |
| ursala callistis | Character | 1 |
| ursaluna | Species | 143 |
| ursaring | Species | 674 |
| urshifu | Species | 595 |
| ursi (alfredblaze) | Character | 8 |
| ursk | Artist | 10 |
| urso | Character | 7 |
| urso fofinho | Artist | 3 |
| ursofofinho | Artist | 65 |
| ursso (artist) | Artist | 17 |
| ursula | Character | 6 |
| ursula (go! go! hamster chef!) | Character | 1 |
| ursula callistis | Character | 3 |
| urta | Character | 8 |
| urthamielair | Artist | 2 |
| uruboros | Artist | 2 |
| urufu | Artist | 1 |
| urumin3939 | Artist | 6 |
| uruneu | Artist | 1 |
| urusee584 | Artist | 221 |
| urusion | Artist | 1 |
| urw | Artist | 16 |
| usa-kichi | Artist | 1 |