| Mladen | Man | Bulgarian Names |
| Mliss | Woman | Cambodian Names |
| Mo | Unisex | American Names |
| Moa | Woman | Scandinavian Names |
| Moana | Unisex | Hawaiian Names |
| Moani | Unisex | Hawaiian Names |
| Moanna | Woman | Hawaiian Names |
| Mobley | Unisex | English Names |
| Moby | Man | American Names |
| Mochi | Unisex | Japanese Names |
| Modesta | Woman | Latin Names |
| Modesto | Man | Italian Names |
| Modesty | Woman | American Names |
| Moe | Unisex | American Names |
| Moesha | Woman | Hebrew Names |
| Moeshe | Man | Hebrew Names |
| Mofeoluwa | Unisex | African - Nigeria Names |
| Mohamed | Man | Arabic Names |
| Mohammed | Man | Arabic Names |
| Mohan | Man | Indian Names |