| Line | | - | Danish, Norwegian, French | |
| Lionel | | lee-o-NEL (French), LIE-nəl (English) | French, English | |
| Lise | | LEE-se (Swedish, Norwegian, Danish), LEES (English), LEEZ (English) | French, Swedish, Norwegian, Danish, English | |
| Lisette | | lee-ZET (French) | French, English | |
| Livie | | - | French, Czech | |
| LoÏC | | - | French, Breton | |
| Loan | | - | French | |
| Loane | | - | French | |
| Loann | | - | French | |
| Lorette | | - | French | |
| Lothaire | | - | French | |
| Lou | | LOO (English) | English, French | |
| Louane | | - | French | |
| Louis | | loo-EE (French), LOO-is (English) | French, English, Dutch | |
| Louise | | loo-EEZ (French, English), loo-EE-se (Danish) | French, English, Danish, Swedish, Dutch | |