| ALAOIS m Irish |
| ALOIS m German, Czech |
| ALOISIA f German |
| ALOISIO m Portuguese |
| ALOJZ m Slovene, Slovak, Croatian |
| ALOJZIA f Slovak |
| ALOJZIJ m Slovene |
| ALOJZIJA f Slovene, Croatian |
| ALOJZIJE m Croatian |
| ALOJZY m Polish |
| ALOYS m Provençal |
| ALOYSIUS m English, German, Dutch, Provençal (Latinized) |
| ALVISE m Italian |
| CHLODOVECH m Ancient Germanic |
| CLODOVICUS m Ancient Germanic (Latinized) |
| CLOVIA f ? |
| CLOVIS m Ancient Germanic (Latinized) |
| GEENA f English (Rare) |
| GENA (1) f English |
| GIANLUIGI m Italian |
| GINA f Italian, English, Scandinavian |
| HLUDOWIG m Ancient Germanic |
| JEANA f English |
| JEANNA f English |
| KOLDO m Basque |
| KOLDOBIKA m Basque |
| LAGINA f English (African American, Rare) |
| LAJOS m Hungarian |
| LEWIS m English |
| LILOU f French |
| LIUDVIKA f Lithuanian |
| LIUDVIKAS m Lithuanian |
| LLUÍS m Catalan |
| LODEWIJK m Dutch |
| LODOVICO m Italian |
| LOES f Dutch |
| LOÏC m French, Breton |
| LOIS (2) m Galician |
| LOJZE m Slovene |
| LOU f & m English, French |
| LOUELLA f English |
| LOUIE m English |
| LOUIS m French, English, Dutch |
| LOUISA f English |
| LOUISE f French, English, Dutch |
| LOUISETTE f French |
| LOUIZA f Greek |
| LOVE (1) m Swedish |
| LOVIISA f Finnish |
| LOVIISE f Estonian |
| LOVISA f Swedish |
| LOVISE f Danish, Norwegian |
| LOWIE m Dutch |
| LUANN f English |
| LUANNA f English (Rare) |
| LUANNE f English |
| LUĈJO m Esperanto |
| LUDDE m Swedish |
| LUDĚK m Czech |
| LUDIS m Latvian |
| LUDO m Dutch |
| LUDOVIC m French |
| LUDOVICA f Italian |
| LUDOVICO m Italian |
| LUDOVICUS m Ancient Germanic (Latinized) |
| LUDOVIKO m Esperanto |
| LUDVIG m Scandinavian |
| LUDVIGS m Latvian |
| LUDVÍK m Czech |
| LUDVIK m Slovene |
| LUDWIG m German |
| LUDWIK m Polish |
| LUDWIKA f Polish |
| LUELLA f English |
| LUIGI m Italian |
| LUIGIA f Italian |
| LUIGINA f Italian |
| LUIGINO m Italian |
| LUÍS m Portuguese |
| LUIS m Spanish |
| LUÍSA f Portuguese |
| LUISA f Spanish, Italian |
| LUISE f German |
| LUISELLA f Italian |
| LUISINA f Spanish |
| LUISINHO m Portuguese |
| LUIZ m Portuguese (Brazilian) |
| LUIZA f Polish, Portuguese |
| LUJZA f Hungarian |
| LULA f English |
| LULU (1) f German |
| LÚÐVÍK m Icelandic |
| LUTZ m German |
| MARILOU f French, English, Dutch |
| MARISA f Italian, Spanish, Portuguese, English |
| MARISELA f Spanish |
| MARISSA f English |
| MARLOES f Dutch |
| MARYLOU f English |
| MARYLU f English (Rare) |
| OUIDA f Various |
| RUIHA f Maori |
| VICO m Italian |
