| Alborada | Alborada |
| Alboraya | Alboraya |
| albornoz | burnoose |
| Alboíno | Alboin |
| Albrecht Adam | Albrecht Adam |
| Albrecht Altdorfer | Albrecht Altdorfer |
| Albrecht Daniel Thaer | Albrecht Thaer |
| Albrecht Dürer | Albrecht Dürer |
| Albrecht von Haller | Albrecht von Haller |
| Albrecht von Roon | Albrecht Graf von Roon |
| Albrecht von Wallenstein | Albrecht von Wallenstein |
| Albricoque | Apricot |
| Albricoqueiro | Apricot-tree |
| Albrycht Stanisław Radziwiłł | Albrycht Stanisław Radziwiłł |
| Albstadt | Albstadt |
| albufeira | catchment area |
| albufeiras | catchment area |
| albugínea | albuginea |
| Album-oriented rock | Album-oriented rock |
| albumina | albumin |
| albuminato | albuminate |
| albuminemia | albuminemia |
| albuminoide | albuminoid |
| albuminoso | albuminous |
| albuminúria | albuminuria |
| albuminúrico | albuminuric |
| albumose | albumose |
| Albuquerque | Albuquerque |
| alburno | sapwood |
| Albus Dumbledore | Albus Dumbledore |
| Albânia | Albania |
| Albé | Albé |
| alcachofra | artichoke |
| alcachofra de comer | artichoke |
| alcachofra hortense | artichoke |
| alcadieno | alkadiene |
| alcagüetar | tell on |
| alcagüete | informer |
| alcaico | alcaic |
| Alcaida | Al-Qaeda |
| alcaide | alcaide |
| Alcaide de Madrid | List of mayors of Madrid |
| alcalescente | alkalescent |
| alcalifílico | alkaliphilic |
| alcalimetria | alkalimetry |
| alcalimétrico | alkalimetric |
| alcalinidade | alkalinity |
| alcalinizar | alkalinize |
| alcalinização | alkalinization |
| alcalino | alkaline |
| Alcalino-metálicos | Alkali metal |
| alcalinos | alkaline |
| alcalofílico | alkaliphilic |
| alcaloidal | alkaloidal |
| alcaloide | alkaloid |
| alcalose | alkalosis |
| Alcalà de Xivert | Alcalà de Xivert |
| Alcalá de Henares | Alcalá de Henares |
