| Joe Winderpaine | 1941 | | 0 | 4 |
| Joel McTiennan | 2002 | | 0 | 4 |
| Junk Man's horse | 1979 | | 0 | 4 |
| Kate Jameson | 2006 | | 0 | 4 |
| Kate McCrady | 2023 | | 0 | 4 |
| Katie Mallard | 1965 | | 0 | 4 |
| Kekata | 1994 | | 0 | 4 |
| King Bob | 1999 | | 0 | 4 |
| King Kashekim Nedakh | 2001 | | 1 | 4 |
| King Magnifico | 2023 | | 0 | 4 |
| King of Tangkor Wat | 1957 | | 0 | 4 |
| Kingfisher from SC | 1959 | | 0 | 4 |
| Kitten from YX 82-03-17 | 1982 | | 0 | 4 |
| Kolin Mc Crick | 2023 | | 0 | 4 |
| Kotu | 2024 | | 0 | 4 |
| コージ (Kōji) | 2009 | | 0 | 4 |
| Krang | 2003 | | 0 | 4 |
| Krimold | 2003 | | 0 | 4 |
| Kroko | 1967 | | 0 | 4 |
| L'autista di Manny | 2002 | | 0 | 4 |
| Laila | 2008 | | 0 | 4 |
| Lainey Winters | 2023 | | 0 | 4 |
| Lambie | 2017 | | 0 | 4 |
| Lampy | 1967 | | 0 | 4 |
| Lanky Man | 2006 | | 0 | 4 |
| Lara Bell | 2012 | | 0 | 4 |
| Larry Camper | 2006 | | 0 | 4 |
| Larry | 2004 | | 0 | 4 |
| Laura Steedson | 2007 | | 0 | 4 |
| Lavarra | 2024 | | 0 | 4 |
| Vulpus | 1973 | | 0 | 4 |
| Lawrence | 2009 | | 0 | 4 |
| Lawyer Beamish | 1943 | | 0 | 4 |
| Lehman | 2005 | | 0 | 4 |
| Leon from Violetta | 2014 | | 0 | 4 |
| Leonard Vertighel | 1998 | | 0 | 4 |
| Libby | 2015 | | 0 | 4 |
| Lily Mia | 2024 | | 0 | 4 |
| Lips Manlis | 1990 | | 0 | 4 |
| Little Martha | 2006 | | 0 | 4 |
| Little cygnets | 1950 | | 0 | 4 |
| Little porcupines | 1966 | | 0 | 4 |
| Lizzy Vertigo | 2020 | | 0 | 4 |
| Logan | 2023 | | 0 | 4 |
| Lola Duck | 1996 | | 0 | 4 |
| Lora | 1982 | | 0 | 4 |
| Loto | 2024 | | 0 | 4 |
| Louis Trumpet | 2013 | | 0 | 4 |
| Louis XVI | 1954 | | 0 | 4 |
| Lulu | 2006 | | 0 | 4 |
| Luna-Lu | 2003 | | 0 | 4 |
| MCP | 1982 | | 0 | 4 |
| Minuette | 1963 | | 0 | 4 |
| Macaw | 1980 | | 0 | 4 |
| Madame De Crepit from W CP 2-01 | 1950 | | 0 | 4 |
| Madamoiselle Maltese | 1931 | | 0 | 4 |
| Magda Marshbird | 2001 | | 0 | 4 |
| Major Beagle | 1936 | | 0 | 4 |
| Mamá Imelda | 2017 | | 0 | 4 |
| Manager from YM 89-11-07 | 1989 | | 0 | 4 |