| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Luca (1) | LOO-kah (Italian) | Italian, Romanian, German | ||
| 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 | ||
| Ludger | LUD-gər (Dutch) | German, Dutch | ||
| Ludolf | LOO-dawlf (German) | German, Dutch, Ancient Germanic | ||
| Ludovicus | - | Ancient Germanic (Latinized) | ||
| Ludwig | LOOT-vikh, LOOT-vik | German | ||
| Luise | loo-EE-zə | German | ||
| Luitgard | - | German, Ancient Germanic | ||
| Luitger | - | German (Archaic) | ||
| Luitpold | - | German | ||
| Lukas | LOO-kahs (German) | German, Swedish, Norwegian, Danish, Lithuanian | ||
| Lulu (1) | LOO-loo | German | ||
| Lutgard | LOOT-gahrt | German (Archaic) | ||
| Lutgardis | - | Ancient Germanic (Latinized) | ||
| Lutz | LUWTS | German |