| Lorens | | - | Swedish, Norwegian, Danish | |
| Lotta | | LOT-tah (Finnish) | Swedish, Finnish | |
| Lotte | | LAW-tə (German) | Danish, Swedish, Norwegian, Dutch, German | |
| Lottie | | - | English, Swedish | |
| Louise | | loo-EEZ (French, English), loo-EE-se (Danish) | French, English, Danish, Swedish, Dutch | |
| Love (1) | | LOO-ve | Swedish | |
| Lovisa | | loo-VEE-sah | Swedish | |
| 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 | |
| Ludde | | - | Swedish | |
| Ludvig | | - | Swedish, Norwegian, Danish | |
| Lukas | | LOO-kahs (German) | German, Swedish, Norwegian, Danish, Lithuanian | |
| MÅRten | | MOR-ten | Swedish | |
| MÄRta | | - | Swedish | |
| Madeleine | | ma-də-LEN (French), mad-LEN (French), MAD-ə-lin (English), MAD-ə-lien (English) | French, English, Swedish | |
| Magda | | MAHK-dah (German), MAHKH-dah (Dutch), MAHG-dah (Polish) | German, Dutch, Swedish, Norwegian, Danish, Czech, Polish, Croatian, Romanian, Portuguese | |