| Long eared dog | 1980 | | 0 | 1 |
| Long legged duck | 1977 | | 0 | 1 |
| Loopy Lurk | 1961 | | 0 | 1 |
| Lopes from B 770268 | 1978 | | 0 | 1 |
| Lord Hinch | 2007 | | 0 | 1 |
| Lord McBullon | 2023 | | 0 | 1 |
| Lord Ominous | 2025 | | 0 | 1 |
| Lord Papervon | 2014 | | 0 | 1 |
| Lord Poochfeathers | 1931 | | 0 | 1 |
| Lord St.Erling | 2017 | | 0 | 1 |
| Lord Valois | 2024 | | 0 | 1 |
| Lorde Mandíbula | 1993 | | 0 | 1 |
| Lorelai | 1993 | | 0 | 1 |
| Lorenzo Martinez | 1974 | | 0 | 1 |
| Loretta | 2000 | | 0 | 1 |
| Loretta Koenig | 2007 | | 0 | 1 |
| Lorge Jucas | 1987 | | 0 | 1 |
| Lorota from B ZC 497-B | 1961 | | 0 | 1 |
| Lorota, Lorotinha, Lorotão | 1961 | | 0 | 1 |
| Lorotinha from B ZC 497-B | 1961 | | 0 | 1 |
| Lorotão from B ZC 497-B | 1961 | | 0 | 1 |
| Lost Souls | 2020 | | 0 | 1 |
| Lothor | 2003 | | 0 | 1 |
| Lotty the ladybug | 2011 | | 0 | 1 |
| Lotus the elephant | 1975 | | 0 | 1 |
| Loudmouth Mouse | 1974 | | 0 | 1 |
| Louie of the helicopter rentals | 1965 | | 0 | 1 |
| Louis II | 1966 | | 0 | 1 |
| Louis VI | 1973 | | 0 | 1 |
| Louis XVIII | 1971 | | 0 | 1 |
| Louis-Philippe | 1962 | | 0 | 1 |
| Louquito Pena | 1994 | | 0 | 1 |
| Lourdes Canini | 2013 | | 0 | 1 |
| Lourenço Diaz | 1974 | | 0 | 1 |
| Lourival from B 900006 | 1991 | | 0 | 1 |
| Louro & Verdinho the parrots | 1978 | | 0 | 1 |
| Louro Dedé | 2001 | | 0 | 1 |
| Louro da Silva | 1982 | | 0 | 1 |
| Lourão & Bastião | 1974 | | 0 | 1 |
| Lt. Pug | 1995 | | 0 | 1 |
| Lt. Taylor Earhardt | 2002 | | 0 | 1 |
| Lu from B 880180 | 1990 | | 0 | 1 |
| Luana Piolhana | 1996 | | 0 | 1 |
| Luana and Ígor | 1988 | | 0 | 1 |
| Luc De Pippé | 2023 | | 0 | 1 |
| Lucia de Longrine | 1954 | | 0 | 1 |
| Luciana Littizzetto | 2009 | | 0 | 1 |
| Luciano Camarote | 1995 | | 0 | 1 |
| Luciano Não Vale | 1980 | | 0 | 1 |
| Luciano from B 840141 | 1985 | | 0 | 1 |
| Lucimar from B 790084 | 1985 | | 0 | 1 |
| Lucinha from B 890026 | 1989 | | 0 | 1 |
| Lucio the firefly | 2008 | | 0 | 1 |
| Lucius the ape | 1954 | | 0 | 1 |
| Lucy | 2012 | | 0 | 1 |
| Lucy Bruceburton | 1997 | | 0 | 1 |
| Lucélia from B 840141 | 1985 | | 0 | 1 |
| Luerci and Patânia | 1995 | | 0 | 1 |
| Luisão from B 820070 | 1982 | | 0 | 1 |
| Luke Miller | 2022 | | 0 | 1 |