| Lucero | Woman | Spanish Names |
| Lucilla | Woman | Spanish Names |
| Lucina | Woman | Spanish Names |
| Lucinda | Woman | Spanish Names |
| Luís | Man | Spanish Names |
| Luminita | Woman | Spanish Names |
| Luminosa | Woman | Spanish Names |
| Lupe | Unisex | Spanish Names |
| Lupita | Woman | Spanish Names |
| Luz | Unisex | Spanish Names |
| Luznubia | Woman | Spanish Names |
| Lynda | Woman | Spanish Names |