| Lorelei | | lawr-e-LIE, LAWR-e-lie | Germanic Mythology | |
| Lorena (1) | | - | Spanish, Portuguese, Italian, Croatian | |
| Lorette | | - | French | |
| Lot (1) | | LOT (English) | Biblical, Biblical Hebrew | |
| Lot (2) | | - | Arthurian Romance | |
| Lothaire | | - | French | |
| Lothar | | LO-tahr (German) | German, Ancient Germanic | |
| Lotte | | LAW-tə (German) | Danish, Swedish, Norwegian, Dutch, German | |
| Lou | | LOO (English) | English, French | |
| Louane | | - | French | |
| Louis | | loo-EE (French), LOO-is (English) | French, English, Dutch | |
| Louisa | | loo-EEZ-ə (English), loo-EES-ə (English) | English, German, Dutch | |
| Louise | | loo-EEZ (French, English), loo-EE-se (Danish) | French, English, Danish, Swedish, Dutch | |
| Louisette | | - | French | |
| Loukas | | - | Biblical Greek | |