| Abbreviation | Definition |
|---|---|
| LF | Lowell Franklin |
| LFB | Laura Flynn Boyle |
| LFP | Living Former Presidents |
| LG | Larry Giles |
| LG | Lou Gehrig |
| LHO | Lee Harvey Oswald |
| LILO | Lindsay Lohan |
| LINGSE | anagram for word single (Justin Bieber tweet) |
| Lit | Light |
| LJ | Lebron James |
| LJ | Lenny Johnson |
| LJK | Leonard John Kensell Setright |
| LK | Lauritz Knudsen |
| LK | Lin Kernighan |
| LKJ | Linton Kwesi Johnson (UK-based dub poet) |
| LM | Leonard Michaels |
| LM | Lord Michael |
| LMFAO | Like My Friends American offspring |
| LMH | Lady Margaret Hall |
| LMM | Lucy Maud Montgomery |