| Leifur | | - | Icelandic | |
| Leila | | LAY-lə (English), LEE-lə (English), LIE-lə (English) | Arabic, Persian, English, Georgian | |
| Lekan | | - | Western African, Yoruba | |
| Lemuel | | LEM-yoo-əl (English) | Biblical, Mormon, Biblical Hebrew | |
| Lenka | | - | Czech, Slovak | |
| Lennart | | LE-nahrt (Low German) | Swedish, Danish, Norwegian, Low German, Dutch | |
| Lennon | | LEN-ən | Scottish, English (Rare) | |
| Lennox | | LEN-əks | Scottish, English (Rare) | |
| Lenox | | LEN-əks | Scottish, English (Rare) | |
| Leo | | LE-o (German, Finnish), LAY-o (Dutch), LEE-o (English) | German, Dutch, Swedish, Norwegian, Danish, Finnish, English, Croatian, Late Roman | |
| LeoŠ | | LE-osh | Czech | |
| Leobwin | | - | Ancient Germanic | |
| Leon | | LEE-awn (English), LE-awn (German, Polish) | English, German, Polish, Slovene, Croatian, Dutch, Ancient Greek | |
| Leonard | | LEN-ərd (English), LAY-o-nahrt (Dutch) | English, Dutch, German, Ancient Germanic | |
| Leonidas | | - | Greek, Ancient Greek | |