| Name | Meaning | Gender | Origin |
|---|
| A Cappella | | Unisex | Hebrew |
| Ace | A nickname given to one who excels: also an English surname meaning noble. Unity.
| Male | Latin |
| Ace | A nickname given to one who excels: also an English surname meaning noble. Unity.
| Male | Latin |
| Admiral | | Unisex | Hebrew |
| Adonis | man loved by aphrodite, handsome,. | Male | Greek |
| Ahab | uncle | Male | Hebrew |
| Aindreas | Strong
| Male | |
| Ajani | He Who Wins the Struggle. Victorious.
| Male | Nigerian |
| Akamai | Hawaiian for smart | Unisex | |
| Alegra | Cheerful, Joy | Unisex | English |
| Alf | English, "wise counselor" | Male | English |
| Amaretto | An Italian liqueur flavoured with almond. | Unisex | |
| Ambrosio | Divine
| Male | |
| Amoldo | The eagle rules.
| Male | |
| Amos Diggory | Cedric's father.
| Male | |
| Anastasio | Resurrected
| Male | |
| Andrew | manly, valiant, courageous | Male | Greek |
| Angus | superb, unique | Male | Anglicized |
| Aries | "a ram" | Male | Latin |
| Arnold | The eagle rules.
| Male | English |
| Arthur | Strong as a rock, noble, follower of Thor | Male | Celtic |
| Atlas | Endures, Suffers | Male | Greek |
| Atom | | Male | Hebrew |
| Atticus | from Attica | Male | Latin |
| Ayabusa | We rule
| Male | |