| Name | Meaning | Gender | Origin |
|---|
| Alpheus | Myth Name (River God) | Male | Greek |
| Alphonsus | Noble Or Ready | Male | Irish |
| Ambrosius | Divine | Male | Dutch |
| Ambrus | Hungarian Form Of Ambrose (Immortal) | Male | Hungarian |
| Americus | Royalty | Female | Latin |
| Amphiaraus | Myth Name (One Of The Attackers Of Thebes) | Male | Greek |
| Amycus | Myth Name (Son Of Poseidon) | Male | Greek |
| Anakausuen | Algonquin Name Meaning " Worker." ANOKI | Male | Native American |
| Anastasius | Reborn | Male | Greek |
| Ancaeus | Myth Name (An Argonaut) | Male | Greek |
| Androgeus | Myth Name (Son Of Minos) | Male | Greek |
| Anghus | Exceptionally Strong | Male | Celtic |
| Angus | Exceptionally Strong | Male | Celtic |
| Angwusnasomtaqa | Crow Mother Spirit (Hopi) | Female | Native American |
| Anoush | Sweet Tempered | Female | Armenian |
| Anoushka | Little Anna. | Female | Russian |
| Antaeus | Myth Name (Killed By Hercules) | Male | Greek |
| Antilochus | Myth Name (Son Of Nestor) | Male | Greek |
| Antinous | Myth Name (One Of Penelope's Suitors) | Male | Greek |
| Anushka | Favored One. | Female | Hebrew |
| Aonghus | Exceptionally Strong | Male | Celtic |
| Archemorus | Myth Name (Son Of Lycurgus) | Male | Greek |
| Arethusa | Myth Name (Nymph) | Female | Greek |
| Argus | Vigilant | Male | Danish |
| Aristaeus | Myth Name (Son Of Apollo) | Male | Greek |
| Artus | Noble | Male | French |
| Arusi | Swahili Name For Girls Born At The Time Of A Wedding."Arusi" Is The Kiswahili Word For Wedding. | Female | African |
| Asayleus | Unknown | Female | English |
| Ascalaphus | Myth Name (Turned Into An Owl By Persephone) | Male | Greek |
| Asopus | Myth Name (Son Of Hector Killed At Troy) | Male | Greek |