| Name | Meaning | Gender | Origin |
|---|
| Landen | Long hill | Unisex | English |
| Landon | Long hill | Male | English |
| Lane | Lane | Unisex | English |
| Larry | Man from Laurentum | Male | Latin |
| Latte | Expresso coffee mixed with steamed milk - a caf latte. | Unisex | English |
| Lear | Clearing | Male | Germanic |
| Lennox | From Levenach | Male | Gaelic |
| Lewis | Fame and war | Male | Germanic |
| Liam | Will, desire and helmet, protection | Male | Germanic |
| Lightning | | Unisex | Hebrew |
| Lincoln | Lake settlement, lake colony | Male | English |
| Link | Left hand | Unisex | German |
| London | From London | Male | English |
| Lucky | Fortunate | Unisex | English |
| Ludlow | From Ludlow | Male | English |
| Luther | People army | Male | Germanic |
| Lynne | A Cascade | Unisex | English |
| Maestro | | Unisex | Hebrew |
| Magoo | | Unisex | Hebrew |
| Maisy | Pearl. Variant Of Margaret. | Unisex | English |
| Mako | Child of truth | Unisex | Japanese |
| Malo | Winner | Male | Arabic |
| Marlin | A Form Of Merle. | Unisex | English |
| Marquis | Lord of the marches | Male | French |
| Mason | Bricklayer | Male | French |
| Maui | God of fire | Unisex | Hawaiian |
| Mauro | Moor | Male | Latin |
| Max | Little Maximus | Male | Latin |
| Merrick | Moor | Male | Welsh |
| Micro | | Unisex | Hebrew |