| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 561 | Lowe | French | Little wolf. | M | |
| 562 | Lowell | French | Variant of Lovell: Wolf cub. Encountered more often as a surname rather than as a first name. | M | |
| 563 | Loyal | French | True. | M | |
| 564 | Luc | French | Light; illumination. Form of Luke. | M | |
| 565 | Lucian | French | Form of Luke. 'Light; illumination.'. | M | |
| 566 | Lucien | French | Form of Luke. 'Light; illumination.'. | M | |
| 567 | Ludovic | French | Variant of Louis: Famous warrior, from the Old German 'Chlodovech'. | M | |
| 568 | Lyle | French | Islander. | M | |
| 569 | Madelon | French | Woman from Magdala. Variant of Madeleine. | M | |
| 570 | Mahieu | French | Gift of God. | M | |
| 571 | Mailhairer | French | Ill fated. | M | |
| 572 | Malleville | French | From Malleville. | M | |
| 573 | Mallory | French | Unfortunate; ill fated. Derived from an Old French surname. | M | |
| 574 | Malory | French | Variant of Mallory: Unfortunate; ill fated. Derived from an Old French surname. | M | |
| 575 | Mandel | French | Makes garments. | M | |
| 576 | Manneville | French | From the great estate. | M | |
| 577 | Mansel | French | Surname derived from 'Le Mans' in France. | M | |
| 578 | Mansell | French | Variant of Mansel: Surname derived from 'Le Mans' in France. | M | |
| 579 | Mantel | French | Makes garments. | M | |
| 580 | Manville | French | From the great estate. | M | |