| aggression | agrese |
| aggressiv | útočný |
| aghori | aghóríové |
| Agility | Agility |
| Aglaia | Aglaia |
| agn | návnada |
| Agnes | Anežka |
| Agnetha Fältskog | Agnetha Fältskog |
| agnosticism | agnosticismus |
| agnostiker | agnostik |
| Agnus Dei | Agnus Dei |
| agonist | agonista |
| Agora | Agora |
| agorafobi | agorafobie |
| Agostinho Neto | António Agostinho Neto |
| AGP | Accelerated Graphics Port |
| Agra | Ágra |
| agrart system | agroekosystém |
| Agricola | Agricola |
| Agrigento | Agrigento |
| agroindustri | agroprůmysl |
| agrokemisk | agrochemikálie |
| agronomi | agronomie |
| agronomiskt värde | hodnota agronomická |
| Aguascalientes | Aguascalientes |
| Agulhas | Střelkový mys |
| Ahab | Achab |
| Ahaggar | Ahaggar |
| Ahasverus | Ahasver |
| Ahimsa | Ahinsá |
| Ahmad Shah Massoud | Ahmad Šáh Masúd |
| Ahmed Zewail | Ahmed Hassan Zewail |
| Aiakos | Aiakos |
| Aichi prefektur | Prefektura Aiči |
| Aida | Aida |
| AIDCAS | AIDCAS |
| AIDS | AIDS |
| AIESEC | AIESEC |
| Aietes | Aiétés |
| Aigars Kalvītis | Aigars Kalvītis |
| Aigine | Aigína |
| Aigisthos | Aigisthos |
| Aigle | Orel |
| Aigues-Mortes | Aigues-Mortes |
| Aigyptos | Aigyptos |
| Aikido | Aikido |
| Aikikai hombu dojo | Aikikai Honbu Dódžó |
| Ain | Ain |
| Aino-Kaisa Saarinen | Aino-Kaisa Saarinenová |
| ainu | ainština |
| Ainur | Ainur |
| Aiolos | Aiolos |
| Air Crash Investigation | SOS |
| Air Force One | Air Force One |
| Air France | Air France |
| Airbus | Airbus |
| Airco | Aircraft Manufacturing Company |
| Airsoft | Airsoft |
| Aisakos | Aisakos |
| Aischylos | Aischylos |
| Aisha | Áiša |
| Aisne | Ain |
| Aisopos | Ezop |
| Aither | Aithér |
| Aitne | Etna |
| Aitoliska förbundet | Aitólský spolek |
| Aitutaki | Aitutaki |
| Aix | AIX |
| Aix-en-Provence | Aix-en-Provence |
| Aix-les-Bains | Aix-les-Bains |
| AJ Auxerre | AJ Auxerre |
| Ajaccio | Ajaccio |
| AJAX | Asynchronous JavaScript and XML |
| Ajka | Ajka |
| Aka | Barmský box |
| Akaba | Akaba |
| Akabaviken | Akabský záliv |
| akademi | akademie |
| akademisk | akademický |
