| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 341 | Apryl | Latin | Open. The month April; symbolizes spring. | F | |
| 342 | Apryll | Latin | Open. The month April; symbolizes spring. | F | |
| 343 | Apulia | Latin | From the river Apulia. | F | |
| 344 | Aqui!ina | Latin | Eaglelike. | F | |
| 345 | Aquila | Latin | Eagle' Used by Romans, early Christians, and mentioned in the New Testament, and in use in English-speaking countries since the 17th century. | M | |
| 346 | Aquiline | Latin | Eaglelike. | F | |
| 347 | Aquilino | Latin | Eagle. | M | |
| 348 | Aquitania | Latin | From Aquitaine. | F | |
| 349 | Arabella | Latin | Derived from 'orabilis' meaning yielding to prayer. Famous bearer: Lady Arabella Stuart was cousin of King James VI of Scotland. Also a variant of Amabel meaning beautiful, loving, lovable, graceful. | F | |
| 350 | Arabelle | Latin | Derived from 'orabilis' meaning yielding to prayer. Famous bearer: Lady Arabella Stuart was cousin of King James VI of Scotland. Also a variant of Amabel meaning beautiful, loving, lovable, graceful. | F | |
| 351 | Arabia | Latin | From Arabia. | F | |
| 352 | Araceli | Latin | Treasure. | F | |
| 353 | Aracelia | Latin | Treasure. | F | |
| 354 | Arachne | Latin | Turned into a spider by Minerva. | F | |
| 355 | Arar | Latin | From the Arar. | M | |
| 356 | Araris | Latin | From the Arar. | M | |
| 357 | Aratus | Latin | Name of a Greek author. | M | |
| 358 | Arber | Latin | Sells herbs. | M | |
| 359 | Arbor | Latin | Sells herbs. | M | |
| 360 | Arcadia | Latin | Adventuresome. | F | |