| Name | Total | ... |
|---|---|---|
| Osomatsu | 7 | GO |
| Osomatsusama | 1 | GO |
| Osora | 1 | GO |
| Osuzu Akiomi | 3 | GO |
| Otabe Sakura | 33 | GO |
| Otakumin | 5 | GO |
| Otare Mayu | 1 | GO |
| Otochichi | 23 | GO |
| otohf | 1 | GO |
| Otokawa Kazuki | 8 | GO |
| Oto-love | 1 | GO |
| Otone | 6 | GO |
| Otono Natsu | 20 | GO |
| Otoo | 6 | GO |
| Otsumami | 42 | GO |
| Ottoman Turks | 1 | GO |
| Otumaru | 1 | GO |
| Ou | 3 | GO |
| OuchiKaeru | 10 | GO |
| Oudon | 2 | GO |
| Ougon Dokuro | 2 | GO |
| Oujano Kaze | 17 | GO |
| Ouji Tsukino | 1 | GO |
| Ouka Sushi | 7 | GO |
| Ouma Bunshichirou | 4 | GO |
| Ouma Tokiichi | 55 | GO |
| Ourakuen | 1 | GO |
| Ousawa Kanata | 1 | GO |
| Outou Chieri | Musenmai | 2 | GO |
| Owal | 1 | GO |
| Oxideengine | 1 | GO |
| Oyaji | 4 | GO |
| Oyama Yasunaga | 1 | GO |
| Oyster | 11 | GO |
| Oyu no Kaori | 10 | GO |
| Ozaken | 2 | GO |