| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2024 |
| Labinot | Labinot | Albanian | Albanian | | |
| Lachlan | Lachlan | Scottish | English, Scottish | land of the lakes | #691 |
| Ladarius | Ladarius | Unknown | English | | |
| Ladislao | Wladyslaw/Ladislava | Old Slavic | Italian | Words: rule / fame, glory, Slav | |
| Ladislaus | Wladyslaw/Ladislava | Old Slavic | German | Words: rule / fame, glory, Slav | |
| Ladislav | Wladyslaw/Ladislava | Old Slavic | Czech | Words: rule / fame, glory, Slav | |
| Lage | Lage | Old Norse | Scandinavian | companion, partner | |
| Laith | Layth | Arabic | English, Arabic | lion | #971 |
| Lajos | Ludwig/Louise | Old High German | Hungarian | Words: loud, famous / fight, battle, war | |
| Lamar | Lamar | Unknown | English | | |
| Lambert | Lambert/Lamberta | Old High German | German, French | Words: land, homeland / bright | |
| Lamberto | Lambert/Lamberta | Old High German | Italian | Words: land, homeland / bright | |
| Lambrecht | Lambert/Lamberta | Old High German | German | Words: land, homeland / bright | |
| Lamont | Lamont | Old Norse | English | lawgiver, lawyer | |
| Lampert | Lambert/Lamberta | Old High German | German, French | Words: land, homeland / bright | |
| Lamprecht | Lambert/Lamberta | Old High German | German | Words: land, homeland / bright | |
| Lan | Lan | Unknown | Slovenian | | |
| Lance | Lando | Old High German | English | Words: land, homeland | #841 |
| Landan | Landon | Old English | English | long hill | |
| Landen | Landen | Unknown | English | | #812 |
| Lander | Lander | Unknown | Dutch | Words: land, homeland / brave, hardy | |
| Landin | Landon | Old English | English | long hill | |
| Lando | Lando | Old High German | German | Words: land, homeland | |
| Landolf | Landolf | Old High German | German | Words: land, homeland / wolf | |
| Landolfo | Landolf | Old High German | Italian | Words: land, homeland / wolf | |
| Landon | Landon | Old English | English | long hill | #106 |
| Landrich | Landrich/Landriche | Old High German | German | Words: land / rich, powerful, power | |
| Landry | Landrich/Landriche | Old High German | French, English | Words: land / rich, powerful, power | |
| Landulf | Landolf | Old High German | German | Words: land, homeland / wolf | |
| Landyn | Landon | Old English | English | long hill | #952 |
| Lane | Lane | Old English | English | lane | #261 |
| Lanfranco | Lanfrank | Old High German | Italian | Words: land, homeland / Frank | |
| Lanfrank | Lanfrank | Old High German | German | Words: land, homeland / Frank | |
| Langelihle | Langelihle | Zulu | Zulu | beautiful day | |
| Langston | Langston | Old English | English | tall stone | #909 |
| Lapo | Jacob/Jacqueline/Jakoba | Hebrew | Italian | Yahweh may protect; holder of the heel; supplanter | |
| Laquan | Laquan | Unknown | English | | |
| Larkin | Larkin | English | English | | |
| Larry | Laurence/Laura | Latin | English | Words: laurel | |
| Lars | Laurence/Laura | Latin | Scandinavian | Words: laurel | |
| Laslo | Wladyslaw/Ladislava | Old Slavic | Hungarian | Words: rule / fame, glory, Slav | |
| Lassana | Lassana | Unknown | French | | |
| Lasse | Laurence/Laura | Latin | Scandinavian | Words: laurel | |
| László | Wladyslaw/Ladislava | Old Slavic | Hungarian | Words: rule / fame, glory, Slav | |
| Lathan | Lathan | Unknown | English | | |
| Latif | Latif/Latifa | Arabic | Arabic | gentle, kind | |
| Latrell | Latrell | Unknown | English | | |
| Lauchlan | Lachlan | Scottish | English, Scottish | land of the lakes | |
| Lauge | Lage | Old Norse | Scandinavian | companion, partner | |
| Laurance | Laurence/Laura | Latin | English | Words: laurel | |
| Laurence | Laurence/Laura | Latin | English | Words: laurel | |
| Laurens | Laurence/Laura | Latin | Dutch, Scandinavian | Words: laurel | |
| Laurent | Laurence/Laura | Latin | French | Words: laurel | |
| Laurente | Laurence/Laura | Latin | Italian | Words: laurel | |
| Laurentiu | Laurence/Laura | Latin | Romanian | Words: laurel | |
| Laurenz | Laurence/Laura | Latin | German | Words: laurel | |
| Laurenzo | Laurence/Laura | Latin | Italian | Words: laurel | |
| Lauri | Laurence/Laura | Latin | Finnish | Words: laurel | |
| Laurids | Laurence/Laura | Latin | Scandinavian | Words: laurel | |
| Laurin | Laurin | Old High German | German | | |
| Lauris | Lauris | Unknown | Latvian | | |
| Laurits | Laurence/Laura | Latin | Scandinavian | Words: laurel | |
| Lauritz | Laurence/Laura | Latin | German | Words: laurel | |
| Lauro | Laurence/Laura | Latin | Italian | Words: laurel | |
| Lautaro | Lautaro | Mapudungun | Spanish | speedy Southern Caracara | |
| Lautaro Benjamin | Lautaro Benjamin | (la) | Spanish | | |
| Lavdrim | Lavdrim | Albanian | Albanian | Words: praise, laud | |
| Lavrans | Laurence/Laura | Latin | Scandinavian | Words: laurel | |
| Lawley | Lawley | Old English | English | Words: survisor, remnant / wood, clearing, meadow | |
| Lawrence | Laurence/Laura | Latin | English | Words: laurel | #509 |
| Lawson | Lawson | English | English | son of Lawrence | #415 |
| Layne | Lane | Old English | English | lane | #695 |
| Layth | Layth | Arabic | English, Arabic | lion | |
| Layton | Layton/Layton | Old English | English | settlement with leek-field | #691 |
| Lazar | Lazarus | Hebrew | English | God has helped | |
| Lazare | Lazarus | Hebrew | Georgian | God has helped | |
| Lazaro | Lazarus | Hebrew | Spanish | God has helped | |
| Lazarus | Lazarus | Hebrew | German | God has helped | |
| Lazlo | Wladyslaw/Ladislava | Old Slavic | Hungarian | Words: rule / fame, glory, Slav | |
| Lazzaro | Lazarus | Hebrew | Italian | God has helped | |
| Lean | Leander/Leandra | Old Greek | German | maybe man of the people (?), lion of a man | |
| Leander | Leander/Leandra | Old Greek | German | maybe man of the people (?), lion of a man | |
| Léandre | Leander/Leandra | Old Greek | French | maybe man of the people (?), lion of a man | |
| Leandro | Leander/Leandra | Old Greek | Italian | maybe man of the people (?), lion of a man | #499 |
| Leandros | Leander/Leandra | Old Greek | Greek | maybe man of the people (?), lion of a man | |
| Leano | Leander/Leandra | Old Greek | German | maybe man of the people (?), lion of a man | |
| Leart | Leart | Unknown | Albanian | | |
| Lech | Lech | Old Slavic | Polish | | |
| Ledger | Ledger | Old French | English | Words: people / spear | #502 |
| Ledion | Ledion | Albanian | Albanian | Words: caress | |
| Lee | Lee/Lee | Old English | English | meadow | #714 |
| Leen | Leonhard/Leonarda | Old High German | Dutch | Words: lion / brave, hardy | |
| Leeroy | Leroy | French | English | Words: king | |
| Leevi | Levi | Hebrew | Finnish | maybe joined to | |
| Legacy | Legacy | English | English | legacy | #954 |
| Legend | Legend | English | English | legend | #157 |
| Leif | Leif | Old Norse | Scandinavian | Words: descendant | #924 |
| Leigh | Lee/Lee | Old English | English | meadow | |
| Leighton | Layton/Layton | Old English | English | settlement with leek-field | |
| Leka | Alexander/Alexandra | Old Greek | Albanian | he who wards off (other) men, defender of men | |