| Name | Total | ... |
|---|---|---|
| Otakumin | 5 | GO |
| Otare Mayu | 1 | GO |
| Otochichi | 21 | GO |
| Otogi | 2 | GO |
| otohf | 1 | GO |
| Otokawa Kazuki | 8 | GO |
| Otone | 6 | GO |
| Otono Natsu | 20 | GO |
| Otoo | 5 | GO |
| Otsumami | 42 | GO |
| Ottoman Turks | 1 | GO |
| Otumaru | 1 | GO |
| Ou | 3 | GO |
| OuchiKaeru | 2 | GO |
| Oudon | 2 | GO |
| Ougon Dokuro | 2 | GO |
| Oujano Kaze | 17 | GO |
| Ouji Hiyoko | Hinazuka Ryo | 1 | 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 |
| Ouzakura Pon | 0 | GO |
| Owal | 1 | GO |
| Oxideengine | 0 | GO |
| Oyabe Ryo | Isurugi Ryo | 0 | GO |
| Oyaji | 4 | GO |
| Oyama Yasunaga | 1 | GO |
| Oyster | 11 | GO |
| Oyu no Kaori | 10 | GO |
| Ozaken | 2 | GO |
| Ozaki Akira | 7 | GO |
| Ozaki Miray | 20 | GO |