| Spanish boys baby names begining from A |
| Abran |
 | Variant of Abram 'Exalted father.'. |
| Adan |
 | Variant of Adam 'From the red earth.'. |
| Adriano |
| Dark; Variant of Adrian. From Adria.: (The Adriatic sea region.). |
| Agustin |
| Majestic dignity; grandeur. |
| Alano |
| Handsome. |
| Alanzo |
| Form of Alphonse: see Alfonso. |
| Alarico |
| Rules all. |
| Alba |
| A place name. |
| Alberto |
| Noble; bright. |
| Alejandro |
| Spanish form of Alexander defends mankind. |
| Alfonso |
| Spanish form of Alphonse 'eager for war'. |
| Alfredo |
| Spanish form of Alfred 'counsels the elves'. |
| Alonso |
| Eager for battle; Form of Alphonse: see Alfonso. |
| Alonzo |
| Eager for battle. |
| Aluino |
| Noble friend. |
| Alvar |
| Truth-speaker or guardian. |
| Alvaro |
| Truth-speaker or guardian. |
| Alvino |
| White; fair. |
| Amadeo |
| Loves God. |
| Amado |
| Loves God. |
| Ambrosio |
| Divine. |
| Amoldo |
| The eagle rules. |
| Anastasio |
| Resurrected. |
| Anbessa |
| A Saracen governor of Spain. |
| Andreo |
| Manly; brave. Variant of English Andrew. |
| Andres |
| Manly; brave. Variant of English Andrew. |
| Angel |
| Angel. |
| Angelino |
| Messenger. Biblical name for spirit messengers God sends men. |
| Angelo |
| Messenger. Biblical name for spirit messengers God sends men. |
| Anibal |
| Grace of God. |
| Anselmo |
| Divine helmet. |
| Anton |
| Spanish form of Anthony beyond praise. |
| Antonio |
| Spanish form of Anthony beyond praise. |
| Aquilino |
| Eagle. |
| Archibaldo |
| Bold. |
| Ario |
| Variant of Arrio: Warlike; fierce. |
| Arlo |
| Bayberry (tree). |
| Armando |
| Army man. Variant of Herman. |
| Arrio |
| Warlike; fierce. |
| Arryo |
| Variant of Arrio: Warlike; fierce. |
| Arturo |
| Noble; courageous. |
| Aryo |
| Variant of Arrio: Warlike; fierce. |
| Aureliano |
| Golden. |
| Aurelio |
| Gold. |
| Aurelius |
| Golden. |
| Spanish boys baby names begining from B |
| Bartoli |
| Ploughman. |
| Bartolo |
| Ploughman. |
| Bartolome |
| Ploughman. |
| Basilio |
| Noble. |
| Beinvenido |
| Welcome. |
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