| Lenny | Unisex | English Names |
| Lenore | Woman | English Names |
| Leonard | Man | English Names |
| Leopold | Man | English Names |
| Les | Unisex | English Names |
| Lesley | Woman | English Names |
| Leslie | Unisex | English Names |
| Lester | Man | English Names |
| Lette | Woman | English Names |
| Lew | Man | English Names |
| Lewis | Man | English Names |
| Lex | Unisex | English Names |
| Lexine | Woman | English Names |
| Lexington | Unisex | English Names |
| Libby | Woman | English Names |
| Light | Unisex | English Names |
| Lighten | Unisex | English Names |
| Lilianna | Woman | English Names |
| Lilibet | Woman | English Names |
| Lilla | Woman | English Names |