| Aquamarine | Woman | English Names |
| Aquanetta | Woman | American Names |
| Aquanette | Woman | American Names |
| Aquaria | Woman | American Names |
| Aquarius | Unisex | Latin Names |
| Aquene | Woman | Native American Names |
| Aquila | Man | Latin Names |
| Aquinnah | Unisex | Native American Names |
| Ara | Woman | American Names |
| Arabela | Woman | Spanish Names |
| Arabella | Woman | English Names |
| Arabelle | Woman | English Names |
| Arabesque | Woman | French Names |
| Arabeth | Woman | Hebrew Names |
| Arabia | Unisex | English Names |
| Araceli | Woman | Spanish Names |
| Aracely | Woman | Spanish Names |
| Aradhya | Woman | Indian Names |
| Aradia | Woman | Italian Names |
| Arafa | Woman | Swahili Names |