| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 141 | Armanda | Spanish | Feminine of Armando. | F | |
| 142 | Armando | Spanish | Army man. Variant of Herman. | M | |
| 143 | Arrio | Spanish | Warlike; fierce. | M | |
| 144 | Arryo | Spanish | Variant of Arrio: Warlike; fierce. | M | |
| 145 | Artemisia | Spanish | Perfection. | F | |
| 146 | Arturo | Spanish | Noble; courageous. | M | |
| 147 | Aryo | Spanish | Variant of Arrio: Warlike; fierce. | M | |
| 148 | Ascencion | Spanish | Reference to the Ascension. | F | |
| 149 | Asuncion | Spanish | Born during the Feast of Assumption. | F | |
| 150 | Atalaya | Spanish | Guardtower. | F | |
| 151 | Athalia | Spanish | Guardtower. | F | |
| 152 | Aurelia | Spanish | Golden. | F | |
| 153 | Aureliana | Spanish | Golden. | F | |
| 154 | Aureliano | Spanish | Golden. | M | |
| 155 | Aurelio | Spanish | Gold. | M | |
| 156 | Aurelius | Spanish | Golden. | M | |
| 157 | Aurkena | Spanish | Present. | F | |
| 158 | Aurkene | Spanish | Present. | F | |
| 159 | Bartoli | Spanish | Ploughman. | M | |
| 160 | Bartolo | Spanish | Ploughman. | M | |