| Lourenço | - | Portuguese Name | Lowan | - | Aborigin Name |
| Lowell | - | French Name | Lowell | - | United States Name |
| Lowen | - | Welsh Name | Loyal | - | English Name |
| Loyd | - | United States Name | Luan | - | Swiss Name |
| Luana | - | Maori Name | Luay | - | Muslim Name |
| Luc | - | Greek Name | Luc | - | French Name |
| Luc | - | Cameroon Name | Luca | - | Greek Name |
| Lucah | - | Italian Name | Lucan | - | Arthurian Name |
| Lucas | - | Irish Name | Lucas, Lucius | - | Biblical Name |
| Lucca | - | Italian Name | Lucian | - | Romanian Name |
| Luciano | - | Italian Name | Luciano | - | Spanish Name |
| Luciano | - | West Indies Name | Lucias | - | Latin Name |
| Lucien | - | Latin Name | Lucifer | - | Biblical Name |
| Lucio | - | Philippines Name | Lucious | - | Latin Name |
| Lucius | - | Arthurian Name | Lucus | - | American Name |
| Lud, Ludim | - | Biblical Name |
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