| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Louisette | - | French | ||
| Louna | - | French (Modern) | ||
| Loup | - | French | ||
| Luc | LOOK | French | ||
| Lucas | LOO-kəs (English), LUY-kahs (Dutch), luy-KAH (French), LOO-kəsh (Portuguese), LOO-kahs (Spanish) | English, Dutch, French, Portuguese, Spanish, Biblical Latin | ||
| Luce | LOO-che (Italian), LOOS (French) | Italian, French | ||
| Lucette | - | French | ||
| Lucie | luy-SEE (French), luw-TSI-e (Czech) | French, Czech | ||
| Lucien | - | French | ||
| Lucienne | luy-SYEN | French | ||
| Lucile | loo-SEEL | French, English | ||
| Lucille | loo-SEEL | French, English | ||
| Lucinde | - | French | ||
| LucrÈCe | - | French | ||
| Ludivine | - | French |