| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 1321 | Lorraina | French | Derived from Lorraine which is the name of a province in France and a family name of French royalty. | F | |
| 1322 | Lorraine | French | From Lorraine. From Lotharingia. From Lothair's Kingdom. Lothair was a ruler of the region during the 9th century. | F | |
| 1323 | Lothair | French | Fighter. | M | |
| 1324 | Lottie | French | Diminutive of Charlotte: A feminine form of Charles, meaning man. Alternate meaning, tiny and feminine. Famous bearers: Princess Charlotte, daughter of King George IV; British writer Charlotte Bronte. | F | |
| 1325 | Lotty | French | Diminutive of Charlotte: A feminine form of Charles, meaning man. Alternate meaning, tiny and feminine. Famous bearers: Princess Charlotte, daughter of King George IV; British writer Charlotte Bronte. | F | |
| 1326 | Lotye | French | Tiny and womanly. | F | |
| 1327 | Lou | French | Diminutive of Louis: Famous warrior, from the Old German 'Chlodovech'. Eighteen kings of France have borne this name, and Louis was used by the French royal family for hundreds of years. Famous Bearer: Jazz musician Louis Armstrong (l900-1971). | M | |
| 1328 | Louella | French | Feminine form of Louis: Famous warrior. Renowned fighter. | F | |
| 1329 | Louie | French | Variant of Louis: Famous warrior, from the Old German 'Chlodovech'. | M | |
| 1330 | Louis | French | Famous warrior, from the Old German 'Chlodovech'. Eighteen kings of France have borne this name, and Louis was used by the French royal family for hundreds of years. Famous Bearer: Jazz musician Louis Armstrong (l900-1971). | M | |
| 1331 | Louisa | French | Feminine form of Louis: Famous warrior. Renowned fighter. | F | |
| 1332 | Louise | French | Feminine form of Louis: Famous warrior. Renowned fighter. | F | |
| 1333 | Louvel | French | Little wolf. | M | |
| 1334 | Lovell | French | Wolf cub. Encountered more often as a surname rather than as a first name. | M | |
| 1335 | Lowe | French | Little wolf. | M | |
| 1336 | Lowell | French | Variant of Lovell: Wolf cub. Encountered more often as a surname rather than as a first name. | M | |
| 1337 | Loyal | French | True. | M | |
| 1338 | Luc | French | Light; illumination. Form of Luke. | M | |
| 1339 | Lucette | French | Light; illumination. | F | |
| 1340 | Lucian | French | Form of Luke. 'Light; illumination.'. | M | |