| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 21 | Adrianne | Latin | Feminine form of Adrian, from the Latin Hadrianus meaning of Adria, or of the Adriatic. Also means dark. | F | |
| 22 | Adrie | Latin | Of the Adriatic. | F | |
| 23 | Adrielle | Latin | From Adria, the Adriatic sea region. Also means dark. | F | |
| 24 | Adrienna | Latin | From Adria, the Adriatic sea region. Also means dark. | F | |
| 25 | Adrienne | Latin | Feminine form of Adrian, from the Latin Hadrianus meaning of Adria, or of the Adriatic. Also means dark. | F | |
| 26 | Adrina | Latin | From Adria, the Adriatic sea region. Also means dark. | F | |
| 27 | Aea | Latin | From Aea. | F | |
| 28 | Aegaea | Latin | From the Aegean sea. | F | |
| 29 | Aegates | Latin | From the Aegates. | F | |
| 30 | Aegeria | Latin | Cumaean. | F | |
| 31 | Aegina | Latin | Mother of Aeacus. | F | |
| 32 | Aeginae | Latin | Mother of Aeacus. | F | |
| 33 | Aemilia | Latin | The feminine form of the Roman clan name Aemilius. | F | |
| 34 | Aeolia | Latin | Daughter of Amythaon. | F | |
| 35 | Agacia | Latin | Latinized form of the Greek Agatha, meaning good. Popular during the Middle Ages. | F | |
| 36 | Agatha | Latin | Good. | F | |
| 37 | Agrafina | Latin | Born feet first. | F | |
| 38 | Agrafine | Latin | Born feet first. | F | |
| 39 | Agrippina | Latin | Colonist. | F | |
| 40 | Agrippinae | Latin | Colonist. | F | |