| Name | Meaning | Gender | Origin |
|---|
| Ackley | Division of land, field | Male | English |
| Acton | Oak town | Male | English |
| Addison | Son of Adam | Male | English |
| Adley | Son of Adam | Male | English |
| Adolfo | Noble wolf | Male | English |
| Adolph | Noble wolf | Male | English |
| Aggy | | Unisex | Hebrew |
| Al | An Abbreviation Of Names Beginning With Al- | Male | English |
| Alcott | Old cottage | Male | English |
| Alden | Old friend | Male | English |
| Aldon | Old friend | Male | English |
| Alfie | Wise counselor | Unisex | English |
| Alfred | Elf counsel | Male | English |
| Alfredo | Elf counsel | Male | English |
| Alger | Elf spear | Male | English |
| Alley | A narrow street or passageway | Unisex | English |
| Alston | Noble/elf/old/shrine + stone | Male | English |
| Alton | Old town | Male | English |
| Alvin | Friend of elves | Male | English |
| Amberly | Amber | Male | English |
| Anson | Uncertain, perhaps son of Agnes | Male | English |
| Apple | Apple | Unisex | English |
| Arch | From Archer, Meaning Bold Archer | Male | German |
| Archer | Bowman | Male | English |
| Archie | Valuable: Bold. | Male | English |
| Arlen | Land with hares | Male | English |
| Arley | Eagle wood | Male | English |
| Arlo | The Barberry | Male | English |
| Arnie | Powerful eagle | Male | English |
| Arnoldo | Powerful eagle | Male | English |