| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Leuthar | - | Ancient Germanic | ||
| Leutwin | - | Ancient Germanic | ||
| Ligeia | - | Greek Mythology, Ancient Greek | ||
| Linos | - | Greek Mythology, Ancient Greek | ||
| Linus | LIE-nəs (English), LEE-nuws (German, Swedish) | Greek Mythology (Latinized), Ancient Greek (Latinized), German, Swedish, Norwegian, Danish | ||
| Linza | - | Ancient Germanic | ||
| Liupold | - | Ancient Germanic | ||
| Livia (1) | LEE-vyah (Italian) | Italian, Romanian, Ancient Roman | ||
| Liviana | lee-VYAH-nah (Italian) | Italian, Ancient Roman | ||
| Livianus | - | Ancient Roman | ||
| Livius | - | Ancient Roman | ||
| Longina | lawn-GEE-nah (Polish) | Polish, Ancient Roman | ||
| Longinus | - | Ancient Roman | ||
| Lothar | LO-tahr (German) | German, Ancient Germanic | ||
| Loukianos | - | Ancient Greek |