| Orozimbo from B 790005 | 1980 | | 0 | 1 |
| Orozimbo the goat | 1989 | | 0 | 1 |
| Orristurr | 2010 | | 0 | 1 |
| Ortega | 1965 | | 0 | 1 |
| Os Caipós | 1984 | | 0 | 1 |
| Os Introcáveis | 1986 | | 0 | 1 |
| Oscar Burador | 2000 | | 0 | 1 |
| Oscar Navalesko | 1997 | | 0 | 1 |
| Oscar Valho | 1995 | | 0 | 1 |
| Oscar and Osmar | 1982 | | 0 | 1 |
| Osman Galô Pé-de-Pato Três Vezes | 1987 | | 0 | 1 |
| Osmar C. Neiro | 1995 | | 0 | 1 |
| Osmar Cela | 1992 | | 0 | 1 |
| Osmar Ciano | 1992 | | 0 | 1 |
| Osmar Game | 1993 | | 0 | 1 |
| Osmar Vado | 1991 | | 0 | 1 |
| Osmar from B 890057 | 1989 | | 0 | 1 |
| Osney Matagrosso | 1989 | | 0 | 1 |
| Osvaldo Bravão | 1974 | | 0 | 1 |
| Osvardo the neighbor | 1987 | | 0 | 1 |
| Osório from B ZC 537-B | 1962 | | 0 | 1 |
| Otavinho Mequinho | 1993 | | 0 | 1 |
| Otter from SC | 1965 | | 0 | 1 |
| Otto Mundo | 1992 | | 0 | 1 |
| Otto, Axel and Hans | 2025 | | 0 | 1 |
| Ottusio | 2009 | | 0 | 1 |
| Owen Ostrich | 1959 | | 0 | 1 |
| Owl from Robin Hood | 1982 | | 0 | 1 |
| Oxana Hauntley | 2019 | | 0 | 1 |
| Oxana from Vampirina | 2020 | | 0 | 1 |
| Ozzy Esbórnia | 1997 | | 0 | 1 |
| P. C.'s father | 2000 | | 0 | 1 |
| P. P. Lima | 1984 | | 0 | 1 |
| P. Xada Smith | 1990 | | 0 | 1 |
| P. Zado | 1973 | | 0 | 1 |
| PB from the future | 1974 | | 0 | 1 |
| PE look-alike | 1937 | | 0 | 1 |
| PE's nephew | 2010 | | 0 | 1 |
| PE's sister Petula | 1990 | | 0 | 1 |
| PE's twin brother Zeke | 1956 | | 0 | 1 |
| PIM | 1978 | | 0 | 1 |
| PXKZXT | 1979 | | 0 | 1 |
| Pa from H 2010-205 | 2011 | | 0 | 1 |
| Pabbie | 2019 | | 0 | 1 |
| Pablo and Pedro from W US 32-01 | 1982 | | 0 | 1 |
| Pablo from B 73067 | 1974 | | 0 | 1 |
| Pablo from cars | 2020 | | 0 | 1 |
| Pablo the servant | 1959 | | 0 | 1 |
| Pacasso the art painter | 1990 | | 0 | 1 |
| Pacheco the barber | 1985 | | 0 | 1 |
| Packy Pelican | 1997 | | 0 | 1 |
| Packy Rat | 1969 | | 0 | 1 |
| Paco from B 73225 | 1974 | | 0 | 1 |
| Paddy McCool | 1953 | | 0 | 1 |
| Padre Altair | 1996 | | 0 | 1 |
| Padre João | 1999 | | 0 | 1 |
| Padre Martelo | 1999 | | 0 | 1 |
| Padre Tadeu | 1998 | | 0 | 1 |
| Padre Tomé | 1988 | | 0 | 1 |
| Padre Vincente | 1959 | | 0 | 1 |