| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Laelia | - | Ancient Roman | ||
| Laelius | - | Ancient Roman | ||
| Laurentia | - | Ancient Roman | ||
| Laurentina | - | Ancient Roman | ||
| Laurentinus | - | Ancient Roman | ||
| Laurentius | - | Ancient Roman | ||
| Livia (1) | LEE-vyah (Italian) | Italian, Romanian, Ancient Roman | ||
| Liviana | lee-VYAH-nah (Italian) | Italian, Ancient Roman | ||
| Livianus | - | Ancient Roman | ||
| Livius | - | Ancient Roman | ||
| Longina | lawn-GEE-nah (Polish) | Polish, Ancient Roman | ||
| Longinus | - | Ancient Roman | ||
| Loukios | - | Ancient Roman (Hellenized), Biblical Greek | ||
| Lucanus | - | Ancient Roman | ||
| 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 |