| Name | Meaning | Gender | Origin |
|---|
| Aristotle | "superior" | Male | Greek |
| Arlo | The barberry (shrub). | Male | Spanish |
| Armani | Brand of men's clothing | Male | Persian |
| Arnold | The eagle rules.
| Male | English |
| Arrow | A straight, thin, pointed shaft shot from a bow | Male | Word |
| Art | noble one; bear man | Male | English |
| Artemis | moon | Male | Greek |
| Arthur | Strong as a rock, noble, follower of Thor | Male | Celtic |
| Ash | Ash tree.
| Male | English |
| Aslan | | Male | Hebrew |
| Asparagus | | Unisex | Hebrew |
| Asterix | | Male | Hebrew |
| Astro | A prefix meaning star | Male | |
| Athens | | Unisex | Hebrew |
| Atilla | Beloved Father | Unisex | Hungarian |
| Atlantic | | Unisex | Hebrew |
| Atlas | Endures, Suffers | Male | Greek |
| Atom | | Male | Hebrew |
| Auggie | | Unisex | Hebrew |
| August | majestic, venerable | Male | |
| Austin | From Augustine - Exalted one | Male | English |
| Avalanche | | Male | Hebrew |
| Avatar | | Unisex | Hebrew |
| Avocado | | Unisex | Hebrew |
| Axel | divine reward; divine source of life | Male | |