| Name | Meaning | Gender | Origin | 
|---|
| Andrew | manly, valiant, courageous | Male | Greek | 
| Andy | Greek, "strong and manly" | Male | English | 
| Angel | Angel | Male | Word | 
| Angus | superb, unique | Male | Anglicized | 
| Anton | Latin, priceless one | Male |  | 
| Antonio | "priceless one" | Male | Spanish | 
| Apollo | the mythological god of light and truth | Male | Greek | 
| Archie | One who is bold | Male | English | 
| Aristotle | "superior" | Male | Greek | 
| Armani | Brand of men's clothing | Male | Persian | 
| Armstrong | strong arms | Male | English | 
| Arnold | The eagle rules. | Male | English | 
| Arrow | A straight, thin, pointed shaft shot from a bow | Male | Word | 
| Artemis | moon | Male | Greek | 
| Arthur | Strong as a rock, noble, follower of Thor | Male | Celtic | 
| Ash | Ash tree. | Male | English | 
| Asher | fortunate, lucky, blessed, happy | Male | Hebrew | 
| Astro | A prefix meaning star | Male |  | 
| Atom |  | Male | Hebrew | 
| Auden | named after the poet W.H. Auden | Male | English | 
| Audio |  | Male | Hebrew | 
| August | majestic, venerable | Male |  | 
| Augustin | Revered, Exalted | Male | French | 
| Augustus | Majestic dignity and grandeur. | Male | Latin | 
| Austin | From Augustine - Exalted one | Male | English |