| La Loretana | Copa Peru | — | maio 1971 | Estadio Aliardo Soria Pérez |
| La Peña Sporting | Copa Peru | — | 6 de abril de 1968 | — |
| Las Vegas Raiders | National Football League | Las Vegas | 1960 | Los Angeles Memorial Coliseum, O.co Coliseum, Allegiant Stadium |
| Latina Basket | — | Latina | 1968 | — |
| Lawn Tennis de la Exposición (fútbol) | Copa Peru | — | 27 de junho de 1884 | Estádio Nacional do Peru |
| Lawn Tennis F.C. | Copa Peru | — | 1995 | Estádio Nacional do Peru |
| Legnano Knights | — | Legnano | 1966 | — |
| León de Huánuco | Segunda División (Campeonato Peruano de Futebol) | — | 1946 | Estadio Heraclio Tapia |
| Libertas Basket Bologna | — | Bolonha | — | — |
| Libertas Liburnia Basket Livorno | — | Livorno | — | — |
| Libertas Livorno | — | Livorno | 1 de novembro de 1947 | — |
| Libertas Pallacanestro Asti | — | — | 1954 | — |
| Libertas Pallacanestro Livorno | — | Livorno | 1991 | — |
| Lima Cricket and Football Club | Copa Peru | — | 1859 | — |
| Lions Basket | — | — | — | — |
| Los Angeles Angels | Major League Baseball | — | 1960 | Angel Stadium |
| Los Angeles Chargers | National Football League | Los Angeles | 1960 | SoFi Stadium, Dignity Health Sports Park, Qualcomm Stadium, Los Angeles Memorial Coliseum, Balboa Stadium |
| Los Angeles Clippers | National Basketball Association | Los Angeles | 1970 | Maple Leaf Gardens, Buffalo Memorial Auditorium, Los Angeles Memorial Sports Arena, Pechanga Arena, Crypto.com Arena |
| Los Angeles Dodgers | Major League Baseball | Los Angeles | 1884 | Dodger Stadium |
| Los Angeles Football Club | Major League Soccer | Los Angeles | 2014 | BMO Stadium |
| Los Angeles Galaxy | Major League Soccer | Los Angeles | 1995 | Dignity Health Sports Park |
| Los Angeles Kings | — | Los Angeles, Inglewood | 1967 | Crypto.com Arena, Kia Forum |
| Los Angeles Raiders | National Football League | Los Angeles | 1982 | — |
| Los Angeles Rams | National Football League | — | 1936 | Edward Jones Dome, Angel Stadium, Los Angeles Memorial Coliseum, SoFi Stadium |
| Los Caimanes de Puerto Etén | Segunda División (Campeonato Peruano de Futebol) | — | 22 de maio de 1957 | Estadio César Flores Marigorda |
| Los Espartanos de Pacasmayo | Copa Peru | — | 1924 | — |
| Los Inseparables Sports and Cultural Club | Copa Peru | — | — | Juan Maldonado Gamarra Stadium |