| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Luitpold | - | German | ||
| Luiz | - | Portuguese (Brazilian) | ||
| Luiza | luw-EE-zah (Polish) | Polish, Portuguese, Romanian | ||
| Lujayn | - | Arabic | ||
| Lujza | - | Hungarian | ||
| LukÁŠ | - | Czech, Slovak | ||
| LukÁCs | LOO-kawch | Hungarian | ||
| Luka | - | Russian, Serbian, Croatian, Slovene, Macedonian, Georgian, Old Church Slavic | ||
| Lukas | LOO-kahs (German) | German, Swedish, Norwegian, Danish, Lithuanian | ||
| Luke | LOOK (English) | English, Biblical | ||
| Luken | - | Basque | ||
| Luksa | LOOK-sah | Esperanto | ||
| Lule | - | Albanian | ||
| Luljeta | - | Albanian | ||
| Lulu (1) | LOO-loo | German |