| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 261 | Astraea | Latin | Surname of Artemis. | F | |
| 262 | Astynome | Latin | Daughter of Chryses. | F | |
| 263 | Atalanta | Latin | A huntress. | F | |
| 264 | Atella | Latin | From Atella. | F | |
| 265 | Athena | Latin | Variant of Athene; the mythological goddess of wisdom and war. | F | |
| 266 | Athene | Latin | Mythological goddess of wisdom and war. | F | |
| 267 | Atropos | Latin | One of the Moirae. | F | |
| 268 | Atthis | Latin | From Attica. | F | |
| 269 | Attica | Latin | From Attica. | F | |
| 270 | Attracta | Latin | Drawn to. | F | |
| 271 | Augusta | Latin | Majestic, grand. The feminine form of Augustus; meaning majestic dignity or venerable, originally given to female relatives of Roman emperors. Famous bearer: British King George III's mother was named Augusta. | F | |
| 272 | Augustina | Latin | Variant of Augusta: Majestic, grand. The feminine form of Augustus; meaning majestic dignity or venerable, originally given to female relatives of Roman emperors. | F | |
| 273 | Augustine | Latin | Deserving of respect; majestic. | F | |
| 274 | Aulaire | Latin | Well spoken. | F | |
| 275 | Aulis | Latin | A Praxidicae. | F | |
| 276 | Aundrea | Latin | Feminine of Andrew. | F | |
| 277 | Aura | Latin | Gentle breeze. | F | |
| 278 | Aurea | Latin | Variant of Aurora: Aurora was the mythical Roman goddess of the dawn. This name became very popular after Charles Perrault wrote the fairy tale 'The Sleeping Beauty'. From aureus meaning golden. | F | |
| 279 | Aurelia | Latin | Golden. | F | |
| 280 | Aurelie | Latin | Golden. | F | |