| Arnoldo | Man | Spanish Names |
| Arnon | Man | Hebrew Names |
| Arnona | Woman | Hebrew Names |
| Arnošt | Man | Polish Names |
| Arnulf | Man | German Names |
| Aroha | Woman | Maori Names |
| Aron | Man | Hebrew Names |
| Arooj | Woman | Persian Names |
| Arpád | Man | Hungarian Names |
| Arrayah | Woman | American Names |
| Arria | Woman | African - Hausa of Nigeria Names |
| Arrian | Unisex | Latin Names |
| Arrow | Unisex | English Names |
| Arroyo | Unisex | Spanish Names |
| Arsène | Man | French Names |
| Arsenio | Man | Spanish Names |
| Arsenios | Man | Greek Names |
| Arshad | Man | Arabic Names |
| Arsinoe | Woman | Greek Names |
| Art | Man | English Names |