| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Lupus | - | Late Roman | ||
| Lusine | - | Armenian | ||
| Lusineh | - | Armenian | ||
| Lutfi | - | Arabic, Indonesian | ||
| Lutgard | LOOT-gahrt | German (Archaic) | ||
| Lutgardis | - | Ancient Germanic (Latinized) | ||
| Lutz | LUWTS | German | ||
| Luule | - | Estonian | ||
| Lux | LUKS (English) | Various | ||
| Luz | LOOTH (Spanish), LOOS (Latin American Spanish) | Spanish | ||
| Luzia | - | Portuguese, German | ||
| Lyall | - | English (Rare) | ||
| Lycurgus | - | Greek Mythology (Latinized), Ancient Greek (Latinized) | ||
| Lycus | - | Greek Mythology (Latinized), Ancient Greek (Latinized) | ||
| Lyda | - | English (Rare) |