| Abrahan | Spanish | M | Father of a multitude |
| Abran | Spanish | M | Exalted father |
| Abril | Spanish | F | Second |
| Acacia | Spanish | F | Thorny |
| Adalia | Spanish | F | Of the nobility |
| Adan | Spanish | M | Of the red earth |
| Adana | Spanish | F | Of the red earth |
| Adelina | Spanish | F | Noble |
| Adelita | Spanish | F | Noble |
| Adella | Spanish | F | Noble |
| Adonia | Spanish | F | Beautiful lady |
| Adoracion | Spanish | F | Adoration |
| Adriana | Spanish | F | Dark |
| Adriano | Spanish | M | Dark |
| Agacia | Spanish | F | Kind |
| Agata | Spanish | F | Kind |
| Agnese | Spanish | F | Pure |
| Agueda | Spanish | F | Kind |
| Agustin | Spanish | M | Majestic |
| Aida | Spanish | F | Helpful |
| Aidia | Spanish | F | Help |
| Aintzane | Spanish | F | Glorious |
| Alameda | Spanish | F | Poplar tree |
| Alandra | Spanish | F | Defender of mankind |
| Alano | Spanish | M | Handsome |
| Alanza | Spanish | F | Ready for battle |
| Alanzo | Spanish | M | Noble and eager |
| Alarico | Spanish | M | Rules all |
| Alazne | Spanish | F | Miracle |
| Alba | Spanish | M | Town on the white hill |
| Albertine | Spanish | F | Noble |
| Alberto | Spanish | M | Bright nobility |
| Alda | Spanish | F | Old orwise |
| Aldene | Spanish | F | Wise |
| Aldona | Spanish | F | Wise |
| Aldonsa | Spanish | F | Nice |
| Aldonza | Spanish | F | Nice |
| Aleece | Spanish | F | Of the nobility |
| Alegria | Spanish | F | Cheerful or Happy |
| Alejandra | Spanish | F | Defender of mankind |
| Alejandrina | Spanish | F | Defender of mankind |
| Alejandro | Spanish | M | Defender of mankind |
| Aleta | Spanish | F | Winged |
| Aletea | Spanish | F | Honest |
| Aletia | Spanish | F | Honest |
| Alfonsa | Spanish | F | Noble |
| Alfonso | Spanish | M | Noble and eager |
| Alfreda | Spanish | F | Wise counselor |
| Alfredo | Spanish | M | Wise councelor |
| Alhertina | Spanish | F | Noble |
| Alicia | Spanish | F | Truthful |
| Alisa | Spanish | F | Of the nobility |
| Alise | Spanish | F | Of the nobility |
| Alita | Spanish | F | Winged |
| Alliss | Spanish | F | Of the nobility |
| Allyce | Spanish | F | Of the nobility |
| Alma | Spanish | F | Soul |
| Almira | Spanish | F | From Almeira |
| Almunda | Spanish | F | Refers to the Virgin Mary |
| Almundena | Spanish | F | Refers to the Virgin Mary |
| Almundina | Spanish | F | Refers to the Virgin Mary |
| Aloise | Spanish | F | Famous warrior or famous in battle |
| Alona | Spanish | F | Light |
| Alondra | Spanish | F | Defender of mankind |
| Alonsa | Spanish | F | Eager for battle |
| Alonso | Spanish | M | Eager for battle |
| Alonzo | Spanish | M | Eager for battle |
| Alta | Spanish | F | High |
| Altagracia | Spanish | F | High |
| Aluino | Spanish | M | Noble friend |
| Alvar | Spanish | M | Army of elves |
| Alvarita | Spanish | F | Speaker of truth |
| Alvaro | Spanish | M | Elf army |
| Alvera | Spanish | F | Speaker of truth |
| Alvino | Spanish | M | White |
| Alyce | Spanish | F | Of the nobility |
| Alys | Spanish | F | Of the nobility |
| Alyss | Spanish | F | Of the nobility |
| Amada | Spanish | F | To love God |
| Amadeo | Spanish | M | Loves God |
| Amadia | Spanish | F | Beloved |
| Amado | Spanish | M | To love God |
| Amalia | Spanish | F | Industrious |
| Amalur | Spanish | F | Homeland |
| Amalure | Spanish | F | Homeland |
| Amanda | Spanish | F | Lovable, worthy to be loved |
| Amara | Spanish | F | Eternally beautiful |
| Amaranta | Spanish | F | Flower that never fades |
| Amaris | Spanish | F | Given by God |
| Amarissa | Spanish | F | Given by God |
| Amata | Spanish | F | Lovable or dearly loved |
| Ambrosio | Spanish | M | Divine |
| Amedia | Spanish | F | Beloved |
| Amoldo | Spanish | M | Power of an eagle |
| Amor | Spanish | F | Love |
| Amora | Spanish | F | Love |
| Ana | Spanish | F | Grace |
| Analee | Spanish | F | Grace |
| Analeigh | Spanish | F | Grace |
| Analena | Spanish | F | Grace |
| Anamarie | Spanish | F | Grace or bitter |
| Anarosa | Spanish | F | Grace |
| Anastasio | Spanish | M | Resurrection |
| Andeana | Spanish | F | Leaving |
| Andera | Spanish | F | Manly |
| Andere | Spanish | F | Manly |
| Andrea | Spanish | F | Manly |
| Andreo | Spanish | M | Manly |
| Andres | Spanish | M | Manly |
| Andria | Spanish | F | Manly |
| Angel | Spanish | M | Messenger |
| Angela | Spanish | F | Messenger |
| Angelia | Spanish | F | Angel |
| Angelina | Spanish | F | Messenger of God |
| Angelino | Spanish | M | Messenger |
| Angelo | Spanish | M | Messenger |
| Anibal | Spanish | M | Grace of God |
| Anica | Spanish | F | Grace |
| Anita | Spanish | F | Grace |
| Anitia | Spanish | F | Grace |
| Anjelica | Spanish | F | Like an angel |
| Anna | Spanish | F | Grace |
| Anselmo | Spanish | M | Divine protection |
| Anton | Spanish | M | Priceless, inestimable or praiseworthy |
| Antonia | Spanish | F | Priceless, inestimable or praiseworthy |
| Antonina | Spanish | F | Priceless, inestimable or praiseworthy |
| Antonio | Spanish | M | Priceless, inestimable or praiseworthy |
| Anunciacion | Spanish | F | To announce |
| Aquilina | Spanish | F | Eagle |
| Aquilino | Spanish | M | Eagle |
| Araceli | Spanish | F | Altar of heaven |
| Aracelia | Spanish | F | Altar of heaven |
| Aracely | Spanish | F | Altar of heaven |
| Arama | Spanish | F | Reference to the Virgin Mary |
| Arcadia | Spanish | F | Adventurous |
| Arcelia | Spanish | F | Treasure |
| Archibaldo | Spanish | M | Bold |
| Arcilla | Spanish | F | Altar of heaven |
| Arella | Spanish | F | Messenger |
| Aricela | Spanish | F | Altar of heaven |
| Ariela | Spanish | F | Lion of God |
| Arlo | Spanish | M | The barberry |
| Armanda | Spanish | F | Noble |
| Armando | Spanish | M | Soldier |
| Artemisia | Spanish | F | Perfection |
| Arturo | Spanish | M | Noble |
| Ascencion | Spanish | F | To ascend |
| Asuncion | Spanish | F | Feast of the Assumption |
| Atalaya | Spanish | F | Guardtower |
| Athalia | Spanish | F | Guardtower |
| Aurelia | Spanish | F | Gold |
| Aurelia | Spanish | M | Gold |
| Aureliana | Spanish | F | Golden |
| Aureliano | Spanish | M | Golden |
| Aurelio | Spanish | M | Golden |
| Aurelius | Spanish | M | Golden |
| Aurkena | Spanish | F | Present |
| Aurkene | Spanish | F | Present |