| La Loretana | Copa Perú | — | Mei 1971 | Estadio Aliardo Soria Pérez |
| La Peña Sporting | Copa Perú | — | 6 April 1968 | — |
| Latina Basket | — | Latina | 1968 | — |
| Lawn Tennis de la Exposición (fútbol) | Copa Perú | — | 27 Juni 1884 | Stadion Nasional Peru |
| Lawn Tennis F.C. | Copa Perú | — | 1995 | Stadion Nasional Peru |
| Legnano Knights | — | Legnano | 1966 | — |
| León de Huánuco | Peruvian Segunda División | — | 1946 | Estadio Heraclio Tapia |
| Libertas Basket Bologna | — | Bologna | — | — |
| Libertas Livorno | — | Livorno | 1 November 1947 | — |
| Libertas Pallacanestro Livorno | — | Livorno | 1991 | — |
| Libertas Termini | — | — | — | — |
| Lima Cricket and Football Club | Copa Perú | — | 1859 | — |
| Lions Basket | — | — | — | — |
| Los Angeles Angels | Major League Baseball | — | 1960 | Angel Stadium of Anaheim |
| Los Angeles Chargers | Liga Nasional Sepak bola Amerika | Los Angeles | 1960 | Stadion SoFi, Taman Olahraga Dignity Health, Stadion Qualcomm, Coliseum Memorial Los Angeles, Balboa Stadium |
| Los Angeles Clippers | National Basketball Association | Los Angeles | 1970 | Maple Leaf Gardens, Buffalo Memorial Auditorium, Arena Olahraga Memorial Los Angeles, Pechanga Arena, Arena Crypto.com |
| Los Angeles Dodgers | Major League Baseball | Los Angeles | 1884 | Stadion Dodger |
| Los Angeles FC | Liga Utama Sepak Bola Amerika Serikat | Los Angeles | 2014 | Stadion BMO |
| Los Angeles Galaxy | Liga Utama Sepak Bola Amerika Serikat | Los Angeles | 1995 | Taman Olahraga Dignity Health |
| Los Angeles Lakers | National Basketball Association | Los Angeles | 1947 | Forum Kia, Minneapolis Armory, Minneapolis Auditorium, Arena Crypto.com, Arena Olahraga Memorial Los Angeles |
| Los Angeles Rams | Liga Nasional Sepak bola Amerika | — | 1936 | Edward Jones Dome, Angel Stadium of Anaheim, Coliseum Memorial Los Angeles, Stadion SoFi |
| Los Caimanes de Puerto Etén | Peruvian Segunda División | — | 22 Mei 1957 | Estadio Municipal César Flores Marigorda |
| Los Espartanos de Pacasmayo | Copa Perú | — | 1924 | — |
| Los Inseparables Sports and Cultural Club | Copa Perú | — | — | Juan Maldonado Gamarra Stadium |
| Los Tigres de Iquitos | Copa Perú | — | 2005 | Estadio Max Augustín |