| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2024 |
| Lloyd | Floyd | Celtic | English | grey; gray-haired | |
| Llyod | Floyd | Celtic | English | grey; gray-haired | |
| Loan | Elouan | Breton | French | Words: light | |
| Lochlan | Lachlan | Scottish | English | land of the lakes | #773 |
| Lodewijk | Ludwig/Louise | Old High German | Dutch | Words: loud, famous / fight, battle, war | |
| Lodovico | Ludwig/Louise | Old High German | Italian | Words: loud, famous / fight, battle, war | |
| Loek | Luke | Old Greek | Dutch | from Lucania | |
| Logan | Logan/Logan | Old Irish | English, Scottish | little hollow | #45 |
| Loïc | Ludwig/Louise | Old High German | French | Words: loud, famous / fight, battle, war | |
| Loïck | Ludwig/Louise | Old High German | French | Words: loud, famous / fight, battle, war | |
| Lois | Alois/Aloisia | Old French | German | Words: very, most / wise, wise | |
| Loke | Loki | Old Norse | Scandinavian | Words: bend, break | |
| Loki | Loki | Old Norse | German, English | Words: bend, break | |
| Lokman | Luqman | Arabic | Malay, Turkish | | |
| London | London/London | Latin | English | | |
| Long | Long | Mandarin | Kanji symbol, Mandarin | dragon | |
| Lonnie | Alfons/Alfonsa | Gothic | English | Words: fight, battle / ready / noble, honorable | |
| Loran | Loran | Unknown | Albanian | | |
| Lóránt | Roland/Rolanda | Old High German | Hungarian | Words: fame / land, homeland | |
| Lorcan | Lorcan | Old Irish | Irish | little fierce one | |
| Loren | Laurence/Laura | Latin | English | Words: laurel | |
| Lorenc | Laurence/Laura | Latin | Albanian | Words: laurel | |
| Lorenz | Laurence/Laura | Latin | German | Words: laurel | |
| Lorenzo | Laurence/Laura | Latin | Spanish, Italian | Words: laurel | #116 |
| Lorik | Lorik | Unknown | Albanian | | |
| Lorin | Laurence/Laura | Latin | English | Words: laurel | |
| Lörinc | Laurence/Laura | Latin | Hungarian | Words: laurel | |
| Loris | Laurence/Laura | Latin | Italian | Words: laurel | |
| Lothair | Lothar | Old High German | English | Words: loud, famous / army, warrior | |
| Lothaire | Lothar | Old High German | French | Words: loud, famous / army, warrior | |
| Lothar | Lothar | Old High German | German | Words: loud, famous / army, warrior | |
| Lou | Ludwig/Louise | Old High German | English | Words: loud, famous / fight, battle, war | |
| Louan | Elouan | Breton | French | Words: light | |
| Loui | Ludwig/Louise | Old High German | Scandinavian | Words: loud, famous / fight, battle, war | |
| Louie | Ludwig/Louise | Old High German | English | Words: loud, famous / fight, battle, war | #573 |
| Louis | Ludwig/Louise | Old High German | English, French | Words: loud, famous / fight, battle, war | #236 |
| Louison | Ludwig/Louise | Old High German | French | Words: loud, famous / fight, battle, war | |
| Louka | Luke | Old Greek | French | from Lucania | |
| Lourenço | Laurence/Laura | Latin | Portuguese | Words: laurel | |
| Love | Ludwig/Louise | Old High German | Scandinavian | Words: loud, famous / fight, battle, war | |
| Lovis | Ludwig/Louise | Old High German | German | Words: loud, famous / fight, battle, war | |
| Lovrenc | Laurence/Laura | Latin | Slovenian | Words: laurel | |
| Lovro | Laurence/Laura | Latin | Slovenian | Words: laurel | |
| Lowe | Ludwig/Louise | Old High German | Scandinavian | Words: loud, famous / fight, battle, war | |
| Lowell | Lowell | Old French | English | Words: wolf | |
| Lowie | Ludwig/Louise | Old High German | Dutch | Words: loud, famous / fight, battle, war | |
| Loyal | Loyal | English | English | loyal | #876 |
| Luã | Luã | Unknown | Portuguese | Words: moon | |
| Luan | Luan/Luana | Albanian | Albanian | lion | |
| Luar | Luar | Unknown | German | | |
| Lubanzi | Lubanzi | Xhosa | Xhosa | Words: wide | |
| Lubin | Lubin | Old High German | French | love | |
| Luc | Luke | Old Greek | French | from Lucania | |
| Luca | Luke | Old Greek | Italian | from Lucania | #23 |
| Lucano | Lucano | Latin | Italian | | |
| Lucas | Luke | Old Greek | Spanish, Portuguese, French, Dutch | from Lucania | #9 |
| Lucas Gabriel | Lucas Gabriel | Portuguese | Portuguese | | |
| Lucca | Luke | Old Greek | Portuguese | from Lucania | #524 |
| Lucero | Lucero/Lucero | Latin | Spanish | luminous | |
| Lucian | Lucius/Lucia | Latin | English | the bright; born at daybreak | #485 |
| Luciano | Lucius/Lucia | Latin | Italian | the bright; born at daybreak | #348 |
| Lucien | Lucius/Lucia | Latin | French | the bright; born at daybreak | #912 |
| Lucio | Lucius/Lucia | Latin | Italian | the bright; born at daybreak | |
| Lucius | Lucius/Lucia | Latin | German, English | the bright; born at daybreak | |
| Lucjan | Lucius/Lucia | Latin | Polish | the bright; born at daybreak | |
| Ludek | Ludwig/Louise | Old High German | Czech | Words: loud, famous / fight, battle, war | |
| Ludewig | Ludwig/Louise | Old High German | German | Words: loud, famous / fight, battle, war | |
| Ludger | Ludger/Ludgera | Old High German | German, Dutch, Low German | Words: people / spear | |
| Ludolf | Ludolf | Old High German | German | Words: people / wolf | |
| Ludovic | Ludwig/Louise | Old High German | English | Words: loud, famous / fight, battle, war | |
| Ludovico | Ludwig/Louise | Old High German | Italian | Words: loud, famous / fight, battle, war | |
| Ludvig | Ludwig/Louise | Old High German | Scandinavian | Words: loud, famous / fight, battle, war | |
| Ludvik | Ludwig/Louise | Old High German | Russian | Words: loud, famous / fight, battle, war | |
| Ludwig | Ludwig/Louise | Old High German | German | Words: loud, famous / fight, battle, war | |
| Ludwik | Ludwig/Louise | Old High German | Polish | Words: loud, famous / fight, battle, war | |
| Luftar | Luftar | Albanian | Albanian | maybe warrior | |
| Luigi | Ludwig/Louise | Old High German | Italian | Words: loud, famous / fight, battle, war | |
| Luis | Ludwig/Louise | Old High German | Spanish | Words: loud, famous / fight, battle, war | #130 |
| Luís | Ludwig/Louise | Old High German | Portuguese | Words: loud, famous / fight, battle, war | |
| Luis Alberto | Luis Alberto | Spanish | Spanish | | |
| Luis Ángel | Luis Ángel | Spanish | Spanish | | |
| Luis Antonio | Luis Antonio | Spanish | Spanish | | |
| Luis Eduardo | Luis Eduardo | Spanish | Spanish | | |
| Luis Enrique | Luis Enrique | Spanish | Spanish | | |
| Luis Fernando | Luis Fernando | Spanish | Spanish | | |
| Luis Miguel | Luis Miguel | Spanish | Spanish | | |
| Luitpold | Leopold/Leopoldine | Old High German | German | Words: people / bold, brave | |
| Luitwin | Luitwin | Old High German | German | Words: people / friend | |
| Luiz | Ludwig/Louise | Old High German | Portuguese | Words: loud, famous / fight, battle, war | |
| Luiz Eduardo | Luiz Eduardo | Portuguese | Portuguese | | |
| Luiz Felipe | Luiz Felipe | Portuguese | Portuguese | | |
| Luiz Fernando | Luiz Fernando | Portuguese | Portuguese | | |
| Luiz Guilherme | Luiz Guilherme | Portuguese | Portuguese | | |
| Luiz Gustavo | Luiz Gustavo | Portuguese | Portuguese | | |
| Luiz Henrique | Luiz Henrique | Portuguese | Portuguese | | |
| Luiz Miguel | Luiz Miguel | Portuguese | Portuguese | | |
| Luiz Otávio | Luiz Otávio | Portuguese | Portuguese | | |
| Luka | Luke | Old Greek | Russian | from Lucania | #94 |
| Lukacs | Luke | Old Greek | Hungarian | from Lucania | |
| Lukas | Luke | Old Greek | German, Lithuanian | from Lucania | #268 |