| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 141 | Araris | Latin | From the Arar. | M | |
| 142 | Aratus | Latin | Name of a Greek author. | M | |
| 143 | Arber | Latin | Sells herbs. | M | |
| 144 | Arbor | Latin | Sells herbs. | M | |
| 145 | Arcas | Latin | Son of Callisto. | M | |
| 146 | Archer | Latin | Bowman. | M | |
| 147 | Archimedes | Latin | Name of a scientist. | M | |
| 148 | Arcitenens | Latin | Archer. | M | |
| 149 | Ardell | Latin | Eager; industrious. | M | |
| 150 | Arden | Latin | Fervent. | M | |
| 151 | Ardin | Latin | Fervent. | M | |
| 152 | Ardmore | Latin | Ardent. | M | |
| 153 | Ares | Latin | Greek god of war. | M | |
| 154 | Argus | Latin | A monster. | M | |
| 155 | Aries | Latin | Ram. | M | |
| 156 | Ariobananes | Latin | Name of a king. | M | |
| 157 | Arion | Latin | Name of a Greek poet. | M | |
| 158 | Aristarchus | Latin | Severe critic. | M | |
| 159 | Aristophanes | Latin | Name of a poet. | M | |
| 160 | Aristoteles | Latin | Latin form of Aristotle. | M | |