| Lamine | Lance | Lancelot |
| Lander | Lando | Lanzo |
| Larbi | Largo | Lars |
| Lasse | Lauden | Lauran |
| Lauren | Laurens | Laurent |
| Laurenz | Lauro | Lavdrim |
| Lawrence | Layton | Lazlo |
| Leander | Léandre | Leandro |
| Léandro | Leart | Lee |
| Leeroy | Lemmy | Len |
| Lénaïc | Lender | Lenderd |
| Léni | Lenn | Lennard |
| Lennart | Lenne | Lennerd |
| Lennert | Lenno | Lennon |
| Lennox | Lenny | Leny |
| Lény | Lenzo | Léo |
| Leo | Léo-Paul | Leon |
| León | Léon | Léonard |
| Leonard | Leonardo | Leopold |
| Léopold | Leroy | Levente |
| Levi | Lévi | Levy |
| Lewis | Lex | Liam |
| Lian | Liano | Lieven |
| Lilian | Lillo | Lin |
| Lino | Linus | Lio |
| Lion | Lionel | Lior |
| Lirio | Lisandro | Livio |
| Liyaro | Lleyton | Lloyd |
| Loan | Loann | Lode |
| Loewie | Loewis | Logan |
| Logann | Loghan | Lohan |
| Lohann | Loïc | Loic |
| Loïck | Loïk | Loïs |
| Lokman | Lomme | Loqmane |
| Loran | Lorent | Lorenz |
| Lorenzo | Lorian | Loric |
| Lorik | Loris | Lorris |
| Lors | Lorys | Lothar |
| Lou | Louan | Louay |
| Louca | Loucas | Louic |
| Louie | Louis | Louis-Victor |
| Louison | Louka | Loukas |
| Lounes | Lounès | Lounis |
| Loup | Lowen | Lowi |
| Lowic | Lowie | Lowiek |
| Lowik | Loyan | Luan |
| Luc | Luca | Lucas |
| Lucca | Lucian | Luciano |
| Lucien | Lucius | Lucka |
| Luckas | Lucky | Ludovic |
| Ludwig | Luigi | Luis |
| Luïs | Luiz | Luk |
| Luka | Lukas | Luke |
| Luuk | Luwe | Lyam |
| Lyano | Lüka | Lylian |
| Lysander |