Tags
| Name ▲ | Type | Count |
| rug | General | 3 |
| ruga483 | Artist | 2 |
| rugrats | Copyright | 2 |
| rugrats theory | Copyright | 1 |
| rugyam (windborn) | Character | 2 |
| rui | Character | 4 |
| rui (cerealharem) | Character | 4 |
| rui (pokemon) | Character | 8 |
| rui (pokémon) | Character | 1 |
| rui (sugaru) | Character | 107 |
| ruifuzzy | Artist | 1 |
| ruimu kiou | Artist | 4 |
| ruin seeker | Character | 1 |
| ruink/aryu | Artist | 1 |
| ruins style lucario | Character | 470 |
| ruinslynx | Artist | 6 |
| ruiny34 | Artist | 2 |
| ruisu-kun | Artist | 77 |
| rujirublkdragon | Artist | 1 |
| ruka | Artist | 69 |
| ruka (algren-hayabusa) | Character | 1 |
| ruka vaporeon | Character | 9 |
| rukakitsune | Artist | 4 |
| rukami | Character | 1 |
| rukamiwolf | Artist | 2 |
| rukario | Artist | 3 |
| rukario (lucario) | Character | 7 |
| rukario jarreau | Character | 10 |
| ruki (ancesra) | Character | 4 |
| rukiathelucario | Character | 1 |
| rukieookami11 | Artist | 1 |
| rukifox | Artist | 22 |
| ruko | Artist | 17 |
| ruko (fallenaltair) | Character | 1 |
| ruko (typh) | Character | 9 |
| rule34.xxx | Copyright | 1 |
| rule34artist (artist) | Artist | 4 |
| rule 36 | General | 1 |
| rule 63 | General | 191 |
| rulean | Artist | 2 |
| rulespin | Artist | 1 |
| rullu 1507 | General | 1 |
| rum del barrilito | Character | 1 |
| rumakis | Artist | 2 |
| rumble | Character | 2 |
| rumble (mlp) | Character | 1 |
| rumbunnii | Artist | 2 |
| rumeo | Character | 1 |
| rumi (ruminoul) | Character | 2 |
| rumi (splattata) | Character | 1 |