| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 601 | Linsey | Scottish | A lake; a place of linden trees. | F | |
| 602 | Lioslaith | Scottish | Dwells at the gray fortress. | F | |
| 603 | Livingstone | Scottish | From Livingston. | M | |
| 604 | Logan | Scottish | Finnian's servant. | M | |
| 605 | Logen | Scottish | Low meadow. | M | |
| 606 | Lorn | Scottish | Variant of Lorne: The name of an early Scottish chieftain and a place name. Famous Bearer: Canadian actor Lorne Green (1959-1971). | M | |
| 607 | Lorna | Scottish | Feminine of Lorne from Loren referring to the laurel tree symbolic of honor or victory. Heroine of Blackmoore's novel Lorna Doone. | F | |
| 608 | Lorne | Scottish | The name of an early Scottish chieftain and a place name. Famous Bearer: Canadian actor Lorne Green (1959-1971). | M | |
| 609 | Lornell | Scottish | Form of Lawrence. | M | |
| 610 | Ludo | Scottish | Diminutive of Ludovic: Derived from the Latinized form of the name Louis. | M | |
| 611 | Ludovic | Scottish | Derived from the Latinized form of the name Louis. | M | |
| 612 | Lundie | Scottish | From the island grove. | M | |
| 613 | Lundy | Scottish | From the island grove. | M | |
| 614 | Luthais | Scottish | Famous warrior. | M | |
| 615 | Lyall | Scottish | Surname meaning loyal. | M | |
| 616 | Lydell | Scottish | A surname often used as a given name. | M | |
| 617 | Lyel | Scottish | Surname meaning loyal. | M | |
| 618 | Lyndsey | Scottish | A lake; a place of linden trees. | F | |
| 619 | Lynsey | Scottish | Variant of Lindsay: A lake; a place of linden trees. From the island of the lime tree. Once regarded as a masculine name, Lindsay was eventually used for children of both genders. Today, girls are given this name more frequently. | F | |
| 620 | Lynsey | Scottish | Variant of Lindsay: From the island of the lime tree. Although in the past, Lindsay was a common boys' name, today it is used more often for girls. | M | |