| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| 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 | ||
| Llyr | - | Welsh Mythology |