| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| LUGUS | - | Celtic Mythology | ||
| LUIGI | LWEE-jee | Italian | ||
| LUIGIA | LWEE-jah | Italian | ||
| LUIGINA | - | Italian | ||
| LUIGINO | - | Italian | ||
| LUIGSECH | - | Ancient Irish | ||
| Luis | ['luis] | |||
| LUIS | LWEES | Spanish | ||
| LUISA | LWEE-sah (Spanish), LWEE-zah (Italian) | Spanish, Italian | ||
| LUISE | loo-EE-zə | German | ||
| LUISELLA | lwee-ZEL-lah | Italian | ||
| LUISINA | lwee-SEE-nah | Spanish | ||
| LUISINHO | - | Portuguese | ||
| LUISITA | lwee-SEE-tah | Spanish | ||
| LUITGARD | - | German, Ancient Germanic |