Showing 50 of 700 characters starting with "O"
| Name | Media | Appearances |
|---|---|---|
| One Eyed Jack | 1 | 2 |
| One Two | 1 | 1 |
| One of Vallees | 1 | 1 |
| One of the Barzini assasins | 1 | 1 |
| One of the Hanged | 1 | 2 |
| One of the Vuvalini | 1 | 1 |
| One-Armed Bounty Hunter | 1 | 1 |
| One-Eye | 1 | 3 |
| One-Eyed Thief | 1 | 1 |
| One-Percenter #1 | 1 | 1 |
| One-Percenter #2 | 1 | 1 |
| One-Percenter #3 - Luis | 1 | 1 |
| One-eyed Russian officer | 1 | 1 |
| Onegin | 1 | 1 |
| Onesimo | 1 | 1 |
| Ongwata | 1 | 1 |
| Onion Stark | 1 | 4 |
| Onisim Petrovich Petrov | 1 | 2 |
| Onisiy Petrovich | 1 | 1 |
| Onza | 1 | 1 |
| Ooq-Mi-Fay Taqnufmini | 1 | 1 |
| Opanasenko | 2 | 3 |
| Opelka | 1 | 2 |
| Operator #5Talos Tactical contractor | 1 | 2 |
| Ophelia | 1 | 1 |
| Opmanis | 1 | 2 |
| Oral Peattie | 1 | 1 |
| Oraz Mustafin | 1 | 1 |
| Ord | 1 | 2 |
| Orda | 1 | 3 |
| Ordell Robbie | 2 | 5 |
| Orderly | 1 | 1 |
| Oreste Jacovacci | 1 | 1 |
| Organization hitman | 1 | 1 |
| Orin | 1 | 1 |
| Orin Hanner, Sr. | 1 | 2 |
| Orin Kerr | 1 | 1 |
| Oriol | 1 | 3 |
| Orlando | 3 | 6 |
| Orloff | 1 | 2 |
| Orlovskiy Sr. | 1 | 1 |
| Ornano | 1 | 1 |
| Oroshiya | 1 | 1 |
| Orrin Sackett | 1 | 2 |
| Orrin Sanderson | 1 | 1 |
| Orry Main | 2 | 8 |
| Orso | 2 | 2 |
| Ortega | 4 | 7 |
| Ortiz's henchman | 1 | 4 |
| Orville "Rick" Wright | 3 | 17 |