| Lexiss | - | American Name | Li | - | Chinese Name |
| Lian | - | Chinese Name | Liberty | - | Latin Name |
| Lindley | - | English Name | Lindsay | - | English Name |
| Lively | - | English Name | Logan | - | Irish Name |
| London | - | English Name | Londyn | - | English Name |
| Lonnie | - | German Name | Lopez | - | Spanish Name |
| Lore | - | American Name | Loren | - | American Name |
| Lou | - | German Name | Lucky | - | American Name |
| Lynn | - | American Name | MacKenzie | - | Irish Name |
| Macy | - | English Name | Maddy | - | English Name |
| Madison | - | English Name | Mahuizoh | - | Nahuatl Name |
| Maimun | - | Algerian Name | Makenzie | - | Scottish Name |
| Mallory | - | French Name | Mames | - | Chamoru Name |
| Manauia | - | Nahuatl Name | Mandy | - | Latin Name |
| Marise | - | Japanese Name | Marley | - | English Name |
| Martie | - | Latin Name | Mason | - | French Name |
| Matsushita | - | Japanese Name | Maurice of Nassau | - | Dutch Name |
| Maverick | - | American Name | McKenna | - | Gaelic Name |
| Mckinley | - | Irish Name | Mecatl | - | Nahuatl Name |
| Meredith | - | Welsh Name | Meztli | - | Nahuatl Name |
| Michael | - | Hebrew Name | Micheal | - | American Name |
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