| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2024 |
| Leland | Leland | Old English | English | fallow land | #547 |
| Lelio | Lelio/Lelia | Latin | Italian | | |
| Leman | Solomon/Salome | Hebrew | Malay | the peaceful | |
| Lembit | Lembit | Unknown | Estonian | | |
| Lenard | Leonhard/Leonarda | Old High German | German, English | Words: lion / brave, hardy | |
| Lenart | Leonhard/Leonarda | Old High German | Slovenian | Words: lion / brave, hardy | |
| Lenas | Lenas | Lithuanian | Lithuanian | | |
| Lenn | Leonhard/Leonarda | Old High German | Dutch | Words: lion / brave, hardy | |
| Lennard | Leonhard/Leonarda | Old High German | German, Low German, Scandinavian | Words: lion / brave, hardy | |
| Lennart | Leonhard/Leonarda | Old High German | German, Low German, Scandinavian | Words: lion / brave, hardy | |
| Lennert | Leonhard/Leonarda | Old High German | German, Low German | Words: lion / brave, hardy | |
| Lenni | Leonhard/Leonarda | Old High German | Finnish | Words: lion / brave, hardy | |
| Lennie | Leonhard/Leonarda | Old High German | English | Words: lion / brave, hardy | |
| Lennon | Lennon | Old Irish | English, Irish | Words: lover | #781 |
| Lennox | Lennox/Lennox | Scottish | English, Scottish | field on the river Leven | #263 |
| Lenny | Leonhard/Leonarda | Old High German | English | Words: lion / brave, hardy | |
| Leny | Leonhard/Leonarda | Old High German | French | Words: lion / brave, hardy | |
| Lenz | Laurence/Laura | Latin | German | Words: laurel | |
| Leo | Leo/Leonie | Latin | German, English | the lion | #24 |
| Leó | Leo/Leonie | Latin | Icelandic | the lion | |
| Léo | Leo/Leonie | Latin | French | the lion | |
| Leon | Leo/Leonie | Latin | German, English | the lion | #141 |
| León | Leo/Leonie | Latin | Spanish | the lion | |
| Léon | Leo/Leonie | Latin | French | the lion | |
| Leonard | Leonhard/Leonarda | Old High German | English | Words: lion / brave, hardy | #673 |
| Léonard | Leonhard/Leonarda | Old High German | French | Words: lion / brave, hardy | |
| Leonardo | Leonhard/Leonarda | Old High German | Italian | Words: lion / brave, hardy | #84 |
| Leonas | Leo/Leonie | Latin | Lithuanian | the lion | |
| Léonce | Leo/Leonie | Latin | French | the lion | |
| Leone | Leo/Leonie | Latin | Italian | the lion | |
| Leonel | Leo/Leonie | Latin | English | the lion | #318 |
| Leonello | Leo/Leonie | Latin | Italian | the lion | |
| Leonhard | Leonhard/Leonarda | Old High German | German, English | Words: lion / brave, hardy | |
| Leonid | Leonid/Leonida | Old Greek | German, Russian | son of Léon, son of the lion | |
| Leonidas | Leonid/Leonida | Old Greek | English | son of Léon, son of the lion | #508 |
| Leonido | Leonid/Leonida | Old Greek | Spanish, Italian | son of Léon, son of the lion | |
| Leontina | Leontina | Latin | German, Italian | like a lion | |
| Leontine | Leontina | Latin | German | like a lion | |
| Léontine | Leontina | Latin | French | like a lion | |
| Leopold | Leopold/Leopoldine | Old High German | German | Words: people / bold, brave | |
| Léopold | Leopold/Leopoldine | Old High German | French | Words: people / bold, brave | |
| Leopoldo | Leopold/Leopoldine | Old High German | Italian | Words: people / bold, brave | |
| Leotrim | Leotrim | Albanian | Albanian | Words: brave, courageous | |
| Leroy | Leroy | French | English | Words: king | #862 |
| Lesedi | Lesedi | Tswana | Tswana | light | |
| Lesley | Leslie/Leslie | Old Irish | English | Words: garden / holly | |
| Leslie | Leslie/Leslie | Old Irish | German, English | Words: garden / holly | |
| Lester | Lester | Old English | English | Words: Roman fort | |
| Leszek | Lech | Old Slavic | Polish | | |
| Lethabo | Lethabo | Sesotho | Sesotho | joy | |
| Lethokuhle | Lethokuhle | Zulu | Zulu | brings good things | |
| Leutrim | Leutrim | Albanian | Albanian | Words: brave, courageous | |
| Lev | Leo/Leonie | Latin | Russian | the lion | |
| Levent | Levent | Unknown | Turkish | | |
| Levente | Levente | Hungarian | Hungarian | maybe being, existing | |
| Levi | Levi | Hebrew | German, English, Hebrew | maybe joined to | #12 |
| Levin | Liebwin/Livina | Old High German | German, Low German | Words: dear, beloved / friend | |
| Levio | Livius/Livia | Latin | German | | |
| Levon | Leo/Leonie | Latin | Armenian | the lion | |
| Lew | Leo/Leonie | Latin | Russian | the lion | |
| Lewis | Ludwig/Louise | Old High German | English | Words: loud, famous / fight, battle, war | #433 |
| Lex | Alexander/Alexandra | Old Greek | German, English | he who wards off (other) men, defender of men | |
| Li | Li | Mandarin | Kanji symbol, Mandarin | power, strength | |
| Liam | William/Wilhelma | Old High German | Irish | Words: will, desire / helmet, protection | #1 |
| Lian | Lian | German | German | | #512 |
| Liang | Liang | Mandarin | Kanji symbol, Mandarin | bright, brilliant | |
| Liano | Julian/Juliana | Latin | German | | |
| Lias | Elijah/Eliane | Hebrew | German | my god is Yahweh | |
| Liberato | Liberato | Latin | Spanish, Italian, Tagalog | the liberated | |
| Liberio | Liberio | Latin | Italian | Words: free | |
| Libero | Libero/Libera | Latin | Italian | Words: free | |
| Libor | Liberio | Latin | Czech | Words: free | |
| Liborio | Liborius | Latin | Italian | | |
| Liborius | Liborius | Latin | German | | |
| Licio | Licio/Licia | Latin | Italian | | |
| Liebhard | Liebhard | Old High German | German | Words: dear, beloved / brave, hardy | |
| Liebwin | Liebwin/Livina | Old High German | German | Words: dear, beloved / friend | |
| Lienhard | Leonhard/Leonarda | Old High German | German | Words: lion / brave, hardy | |
| Lieven | Liebwin/Livina | Old High German | Dutch | Words: dear, beloved / friend | |
| Lilian | Lilian | Latin | French | Words: lily | |
| Linard | Linard | Unknown | German, Rhaeto-Romanic | | |
| Lincoln | Lincoln | Welsh | English | lake colony | #73 |
| Linden | Lyndon | Old English | English | linden tree hill | |
| Lindsay | Lindsay/Lindsay | Old English | Scottish | Words: wetland / island | |
| Lindsey | Lindsay/Lindsay | Old English | Scottish | Words: wetland / island | |
| Linnart | Leonhard/Leonarda | Old High German | German | Words: lion / brave, hardy | |
| Lino | Linus | Old Greek | Italian | Words: mourn, grief | |
| Linus | Linus | Old Greek | German, English | Words: mourn, grief | |
| Lio | Leo/Leonie | Latin | German | the lion | |
| Lion | Leo/Leonie | Latin | English | the lion | |
| Lionardo | Leonhard/Leonarda | Old High German | Italian | Words: lion / brave, hardy | |
| Lionel | Leo/Leonie | Latin | English, French | the lion | #560 |
| Lior | Lior/Liora | Hebrew | Hebrew | | |
| Liridon | Liridon/Liridona | Albanian | Albanian | desire for freedom | |
| Lirim | Lirim | Slavic | Slavic | | |
| Lis | Lis | Unknown | Albanian | Words: oak | |
| Lisandro | Lysander/Lysandra | Old Greek | English | Words: release, loosening / man | |
| Liudger | Ludger/Ludgera | Old High German | German | Words: people / spear | |
| Livio | Livius/Livia | Latin | Italian | | |
| Livius | Livius/Livia | Latin | German | | |