| N A M E | O R I G I N | M E A N I N G | M / F |
| Abantiades | Latin | Descendant of Abas. | Boy |
| Abby | Latin | head of a monastery | Girl |
| Abigail | Latin, Hebrew | head of a monastery, a father's joy | Girl |
| Abril | Latin | April | Girl |
| Abundiantus | Latin | plentiful | Boy |
| Academia | Latin | Named for Cicero's villa. | Girl |
| Academicus | Latin | Name of a philosopher. | Boy |
| Acario | Latin | ungrateful | Boy |
| Acarnania | Latin | From Arcanania. | Girl |
| Acarnanus | Latin | From Acarnania. | Boy |
| Accalia | Latin | foster mother of Romulus and Remus | Girl |
| Accius | Latin | A Roman poet. | Boy |
| Accursius | Latin | to hasten | Boy |
| Ace | Latin | unity, one, first rate | Boy |
| Achaean | Latin | A Greek. | Boy |
| Achaemenes | Latin | A Persian. | Boy |
| Achaemenius | Latin | A Persian. | Boy |
| Achaeus | Latin | A Greek. | Boy |
| Acheros | Latin | River of sorrow. | Boy |
| Achillides | Latin | Descendant of Achilles. | Boy |
| Achivus | Latin | A Greek. | Boy |
| Acidalia | Latin | Named for Venus. | Girl |
| Acrisioniades | Latin | Descendant of Acrisius. | Boy |
| Actaeonis | Latin | A hunter. | Boy |
| Actaeus | Latin | From Athens. | Boy |
| Actor | Latin | Son of Azeus. | Boy |
| Actoris | Latin | Son of Azeus. | Boy |
| Acuzio | Latin | sharp | Boy |
| Adalrico | Latin, Old German | noble, powerful and rich | Boy |
| Adelaide | Hebrew, Latin | noble kind, adorned | Girl |
| Adelais | Latin | noble | Boy |
| Adeo datus | Latin | given by God | Boy |
| Adeo-datus | Latin | given by God | Boy |
| Adiran | Latin | of the adriatic | Boy |
| Adok | Latin | Of the Adriatic. | Boy |
| Adorabella | Latin | Adored beauty. | Girl |
| Adorabelle | Latin | Adored beauty. | Girl |
| Adoree | Latin | Glory. | Girl |
| Adoria | Latin | Glory. | Girl |
| Adra | Latin | From Adria, the Adriatic sea region. Also means dark. | Girl |
