| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| LUDOVIKO | loo-do-VEE-ko | Esperanto | ||
| LUDVÍK | - | Czech | ||
| LUDVIG | - | Swedish, Norwegian, Danish | ||
| LUDVIGS | - | Latvian | ||
| LUDVIK | - | Slovene | ||
| LUDWIG | LOOT-vikh, LOOT-vik | German | ||
| LUDWIK | LUWT-veek | Polish | ||
| LUDWIKA | luwt-VEE-kah | Polish | ||
| LUELLA | loo-EL-ə | English | ||
| LUG | - | Irish Mythology | ||
| LUGAID | - | Irish Mythology | ||
| LUGH | - | Irish Mythology | ||
| LUGHAIDH | LOO-ee | Irish, Irish Mythology | ||
| LUGOS | - | Celtic Mythology | ||
| LUGUBELENUS | - | Ancient Celtic |