| adviento | Advent |
| advocación | Patrozinium |
| Adware | Adware |
| AdWords | Google AdWords |
| adyacente | nahe |
| Adyib | Anedjib |
| Adán | Adam |
| Adán cromosomal-Y | Adam des Y-Chromosoms |
| Adán de Bremen | Adam von Bremen |
| Adán Martín | Adán Martín Menis |
| Adán y Eva | Adam und Eva |
| Adén | Aden |
| Adís Abeba | Addis Abeba |
| adónde | wo |
| adúltera | Ehebrecherin |
| adúltero | Ehebrecher |
| AE Larisa | AE Larisa |
| Aechmea | Aechmea |
| Aechmophorus clarkii | Renntaucher |
| Aechmophorus occidentalis | Renntaucher |
| Aecio | Flavius Aëtius |
| Aedea | Aoide |
| Aedermannsdorf | Aedermannsdorf |
| Aedes | Aedes |
| Aedes albopictus | Asiatische Tigermücke |
| Aedón | Aëdon |
| AEE | ESA |
| Aefligen | Aefligen |
| AEG | AEG |
| Aegean Airlines | Aegean Airlines |
| AEGEE | AEGEE |
| Aegerten | Aegerten |
| Aegina | Aegina |
| AEGIS | Aegis-Kampfsystem |
| Aegithalidae | Schwanzmeisen |
| Aegithalos caudatus | Schwanzmeise |
| Aegithalus caudatus | Schwanzmeise |
| Aegithinidae | Ioras |
| Aegle | Aegle |
| Aegna | Aegna |
| Aegolius | Raufußkäuze |
| Aegolius funereus | Raufußkauz |
| Aegothelidae | Höhlenschwalme |
| Aegukka | Aegukga |
| Aegypiinae | Altweltgeier |
| Aegypius monachus | Mönchsgeier |
| Aegyptosaurus | Aegyptosaurus |
| AEIOU | AEIOU |
| AEK Atenas | AEK Athen |
| Aelfrico | Aelfrik |
| Aelfwino de Deira | Aelfwine |
| Aelia Eudoxia | Aelia Eudoxia |
| Aelia Flacila | Aelia Flacilla |
| Aelia Paetina | Aelia Paetina |
| Aelita | Aelita |
| Aelius Theon | Ailios Theon |
| Aella de Deira | Aella |
| Aelo | Aello |
| Aemilia | Aemilia |
| Aeolia | Aeolia |
| Aeolosaurus | Aeolosaurus |
| Aeon Flux | Æon Flux |
| Aepisaurus | Aepisaurus |
| Aepycamelus | Aepycamelus |
| Aepyceros melampus | Impala |
| Aepyornithidae | Elefantenvögel |
| Aer Lingus | Aer Lingus |
| aeración | Belüftung |
| aerar | lüften |
| Aerarium | Aerarium |
| Aeria | Aeria |
| Aermacchi | Aermacchi |
| AERO | Windows Aero |
| Aero Continente | Nuevo Continente |
