| Ayrens | Ayrens |
| Ayrshire | Ayrshire |
| Ayrshire Orientale | East Ayrshire |
| Ayrshire Settentrionale | North Ayrshire |
| Ayrton Senna | Ayrton Senna |
| Aysen | Aysén Region |
| Ayssènes | Essen |
| Aystetten | Aystetten |
| Aythya | Aythya |
| Aythya ferina | Common Pochard |
| Aythya innotata | Madagascar Pochard |
| Aythya novaeseelandiae | New Zealand Scaup |
| Aytré | Aytré |
| Ayttm | Ayttm |
| Ayumi Hamasaki | Ayumi Hamasaki |
| Ayurveda | Ayurveda |
| Ayutthaya | Ayutthaya |
| Aywaille | Aywaille |
| Ayyavalismo | Ayyavazhi |
| Ayyubidi | Ayyubid dynasty |
| Ayzieu | Ayzieu |
| AZ | AZ |
| AZ Alkmaar | AZ |
| Azad Kashmir | Azad Kashmir |
| Azadiractina | Azadirachtin |
| azalea | azalea |
| Azalia | Intel High Definition Audio |
| Azarbaijan occidentale | West Azarbaijan Province |
| Azarbaijan orientale | East Azarbaijan Province |
| Azathoth | Azathoth |
| Azay-le-Ferron | Azay-le-Ferron |
| Azay-le-Rideau | Azay-le-Rideau |
| Azazel | Azazel |
| Azendohsaurus laaroussii | Azendohsaurus |
| azera | Azeri |
| Azerat | Azerat |
| Azerbaigian | Azerbaijan |
| azerbaigiano | Azeri |
| Azerbaijan | Azerbaijan |
| Azeri | Azerbaijani people |
| azero | Azeri |
| Azgayin Zhoghov | Azgayin Zhoghov |
| Azha | Eta Eridani |
| Azi Aslanov | Azi Aslanov |
| Azia Balba Cesonia | Atia Balba Caesonia |
| Azide | Azide |
| azienda | corporation |
| azienda agricola per la produzione lattiera | dairy farm |
| Azienda commerciale | Business |
| azienda del gas | gas company |
| azienda lattiero-casearia | dairy farm |
| azienda nociva per l'ambiente | environmentally unfriendly firm |
| azienda orticola | truck farm |
| azienda statale | state enterprise |
| aziendale | operational |
| aziende | corporation |
| Aziende tedesche | List of German companies |
| Azille | Azille |
