| 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 | |
| Leonie | | LE-o-nee (German), lay-o-NEE (Dutch) | German, Dutch | |
| Leontios | | - | Ancient Greek | |
| Leontius | | - | Ancient Greek (Latinized) | |
| Leopold | | LE-o-pawlt (German), LAY-o-pawlt (Dutch), LEE-ə-pold (English), le-AW-pawlt (Polish) | German, Dutch, English, Slovene, Polish | |