| Name | Meaning | Gender | Origin |
|---|
| Angelina | Angel
| Female | Greek |
| Angus | superb, unique | Male | Anglicized |
| Anna | Arthur's sister
| Female | Greek |
| Annabel | Beautiful Grace | Female | Scottish |
| Annabelle | Joy | Female | Combination |
| Annette | Gracious | Female | French |
| Anthony | "priceless one" | Male | Latin |
| Anton | Latin, priceless one | Male | |
| Antonia | Greek Priceless, Flourishing, Flower | Female | Latin |
| Antonio | "priceless one" | Male | Spanish |
| Arabella | yielding to prayer | Female | Latin |
| Araminta | lofty | Female | Invented |
| Archibald | Bold
| Male | Teutonic |
| Archie | One who is bold
| Male | English |
| Ariadne | Greek mythology, daughter of King Minos of Crete | Female | Greek |
| Arianna | most holy | Female | Italian |
| Arlington | | Unisex | Hebrew |
| Arlo | The barberry (shrub). | Male | Spanish |
| Artemis | moon | Male | Greek |
| Arthur | Strong as a rock, noble, follower of Thor | Male | Celtic |
| Ashby | ash tree farm | Female | English |
| Asher | fortunate, lucky, blessed, happy | Male | Hebrew |
| Ashley | ash-tree | Female | English |
| Astrid | star, super strength, divine strength | Female | Norse |
| Athena | Goddess of War | Female | Greek |