| Leander | | lee-AN-dər (English) | Greek Mythology (Latinized) | |
| Leandros | | - | Greek Mythology | |
| Lech | | LEKH (Polish) | Polish, Slavic Mythology | |
| Leda | | LEE-də (English), LAY-də (English) | Greek Mythology | |
| LemminkÄInen | | - | Finnish Mythology | |
| Leto | | - | Greek Mythology | |
| Liber | | LIE-bər (English) | Roman Mythology | |
| Libitina | | - | Roman Mythology | |
| Ligeia | | - | Greek Mythology, Ancient Greek | |
| Lilith | | LIL-ith (English) | Near Eastern Mythology, Judeo-Christian Legend | |
| Linos | | - | Greek Mythology, Ancient Greek | |
| Linus | | LIE-nəs (English), LEE-nuws (German, Swedish) | Greek Mythology (Latinized), Ancient Greek (Latinized), German, Swedish, Norwegian, Danish | |
| Lir | | LEER | Irish Mythology | |
| Lleu | | LAY | Welsh Mythology | |
| Llew | | - | Welsh, Welsh Mythology | |