| Luana | | loo-AN-ə (English), loo-AH-nah (Italian) | English, Italian, Portuguese | |
| Luann | | loo-AN | English | |
| Luanna | | loo-AN-ə | English (Rare) | |
| Luanne | | loo-AN | English | |
| Luc | | LOOK | French | |
| Lucanus | | - | Ancient Roman | |
| 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 | |
| Lucetta | | - | English | |
| Lucette | | - | French | |
| Lucia | | loo-CHEE-ah (Italian), LOO-tsee-ah (German), LOO-shə (English), loo-SEE-ə (English) | Italian, German, English, Swedish, Norwegian, Danish, Romanian, Slovak, Ancient Roman | |
| Lucian | | LOO-shən (English) | Romanian, English | |
| Luciana | | loo-CHAH-nah (Italian), loo-THYAH-nah (Spanish), loo-SYAH-nah (Latin American Spanish) | Italian, Spanish, Portuguese, Ancient Roman | |
| Lucianus | | - | Ancient Roman | |
| Lucie | | luy-SEE (French), luw-TSI-e (Czech) | French, Czech | |