| Abbreviation | Definition |
|---|---|
| LMFA | Lower Makefield Football Association |
| LMFC | Larchmont Mamaroneck Football Club |
| LMFL | Liga Mexicana de Football Lingerie |
| LMFS | Ligue métropolitaine de football |
| LMFS | Ligue metropolitaine de football senior |
| LNFA | Laguna Niguel Football Association |
| LNFA | Ligue Nationale de Football Amateur |
| LNFA | Ligue nationale du football amateur |
| LNFL | Ladies' National Football League |
| LNFP | Ligue nationale de football professionnel |
| LOFC | Leyton Orient Football Club |
| LOLB | Left Outside Linebacker |
| LPFP | Liga Portuguesa de Futebol Profissional (Portuguese League for Professional Football) |
| LSFA | Lees Summit Football Assocation |
| LSFL | Lone Star Football League |
| LSYFA | Lone Star Youth Football Alliance |
| LT | Ladainian Tomlinson (football player) |
| LUFA | Liga Uruguaya de Football Americano |
| LWF | Leadership Woman Football |
| LWFC | Lake Wendouree Football Club |