| Aircalin | Airco | Airco DH.16 |
| Airco DH.18 | Airco DH.9 | Airco DH.9A |
| Aircrack-ng | Aircraft | Aircraft carrier |
| Aircraft catapult | Aircraft Communications Addressing and Reporting System | Aircraft engine |
| Aircraft hijacking | Aircraft industry of Russia | Aircraft maintenance |
| Aircraft noise | Aircraft principal axes | Aircraft records |
| Aircraft registration | Aircraft safety card | Aircraft Transport and Travel |
| Aircrew | Airdrop | Aire-sur-la-Lys |
| Airfoil | Airlift | Airline |
| Airline codes | Airline hub | Airline ticket |
| Airliner | Airlink | Airmont, New York |
| Airon-Notre-Dame | Airon-Saint-Vaast | Airplane |
| Airplane! | AirPlay | Airport |
| AirPort | Airport (1970 film) | Airport apron |
| Airport bus | Airport Drive, Missouri | Airport lounge |
| Airport reference temperature | Airports Council International | Airship |
| Airspace | Airspeed | Airspeed AS.12 |
| Airspeed AS.14 Ambassador | Airspeed AS.15 | Airspeed AS.18 |
| Airspeed AS.19 | Airspeed AS.2 | Airspeed AS.24 |
| Airspeed AS.26 | Airspeed AS.27 | Airspeed AS.28 |
| Airspeed AS.29 | Airspeed AS.3 | Airspeed AS.33 |
| Airspeed AS.34 | Airspeed AS.35 | Airspeed AS.36 |
| Airspeed AS.37 | Airspeed AS.44 | Airspeed AS.47 |
| Airspeed AS.48 | Airspeed AS.49 | Airspeed AS.54 |
| Airspeed AS.55 | Airspeed AS.56 | Airspeed AS.9 |
| Airspeed Cambridge | Airspeed Consul | Airspeed Courier |
| Airspeed Envoy | Airspeed Ferry | Airspeed Fleet Shadower |
| Airspeed Horsa | Airspeed indicator | Airspeed Oxford |
| Airspeed Queen Wasp | Airspeed Tern | Airspeed Viceroy |
| Airstrike | AirTran Airways | Airway Heights, Washington |
| Airway management | Airy Shaw | Aisha Abd al-Rahman |
| Aisha Taymur | Aisha Tyler | Aishwarya Rai Bachchan |
| Ait | Ait Abbas | Ait Abdallah |
| Ait Amira | Ait Bazza | Ait Belkacem |
| Ait Blal | Ait Bouyahya El Hajjama | Ait El Mane |
| Ait Haddou Youssef | Ait Hadi | Ait Iaaza |
| Ait Ichou | Ait Igas | Ait Ikkou |
| Ait M'Hamed | Ait Majden | Ait Makhlouf |
| Ait Mazigh | Ait Milk | Ait Mimoune |
| Ait Mzal | Ait Naamane | Ait Ouaarda |
| Ait Ouadrim | Ait Oum El Bekht | Ait Oumdis |
| Ait Ouqabli | Ait Ouribel | Ait Saghrouchen |
| Ait Sedrate Sahl Charkia | Ait Siberne | Ait Taguella |
| Ait Tamlil | Ait Youssef Ou Ali | Aitkin, Minnesota |
| Aitnews | Aiton | Aitor Embela |
| Aitor Karanka | Aitor Núñez | Aitor Ocio |
| Aix galericulata | AIX operating system | Aix sponsa |
| Aix-en-Ergny | Aix-en-Issart | Aix-Noulette |
| Aizkraukle | Aizoaceae | Aizpute |
| Aβ | AJ Auxerre | AJ Junior |
| AJ Lee | Ajab Shir 3 Garrison | Ajab Shir County |
| Ajaia | Ajalvir | Ajam |
| Ajami (film) | Ajania pacifica | AJAX |
| Ajax (mythology) | Ajax (programming) | Ajax framework |
| Ajay Devgan | Ajārūmīya | Ajdabiya–Kufra Road |
| Ajdir, Taza | Ajdovščina | Ajlun Castle |
| Ajlun Governorate | Ajman International Airport | Ajman University of Science and Technology |
| Ajnabee (2001 film) | Ajofrín | Ajoite |
| Ajuga | Ajuga arabica | Ajuga argyi |
| Ajuga australis | Ajuga austroiranica | Ajuga bastarda |
| Ajuga bombycina | Ajuga boninsimae | Ajuga borbasiana |
| Ajuga brachystemon | Ajuga campylanthoides | Ajuga chamaepitys |
| Ajuga chamaepitys subsp. laevigata | Ajuga chamaepitys subsp. rechingeri | Ajuga chamaepitys subsp. suffrutescens |
| Ajuga chasmophila | Ajuga controversa | Ajuga davisiana |
| Ajuga decaryana | Ajuga dictyocarpa | Ajuga flaccida |
| Ajuga genevensis | Ajuga hybrida | Ajuga incisia |
| Ajuga integrifolia | Ajuga iva | Ajuga laevigata |
| Ajuga leucantha | Ajuga linearifolia | Ajuga macrosperma |
| Ajuga novoguineensis | Ajuga nubigena | Ajuga oocephala |
| Ajuga ophrydis | Ajuga orientalis | Ajuga ovalifolia |
| Ajuga palaestina | Ajuga parviflora | Ajuga piskoi |
| Ajuga postii | Ajuga pyramidalis | Ajuga rechingeri |
| Ajuga reptans | Ajuga robusta | Ajuga salicifolia |
| Ajuga saxicola | Ajuga sciaphila | Ajuga shikotanensis |
| Ajuga spectabilis | Ajuga suffrutescens | Ajuga taiwanensis |
| Ajuga tenorei | Ajuga tridactylites | Ajuga turkestanica |
| Ajuga vestita | Ajuga xylorrhiza | Ajuga zakhoensis |
| Ajugeae | Ajugoideae | Ajulemic acid |
| Ajume Wingo | Ajyad Fortress | AK Comics |
| Ak Mosque | AK-102 | AK-47 |
| AK-630 | AK-74 | AK-9 |
| AK47 | Aka muslim | Akabori amino-acid reaction |
| Akademgorodok | AKAI | Akai |
| Akaike information criterion | Akan, Wisconsin | Akashi Castle |
| Akashi Kaikyō Bridge | Akaska, South Dakota | Akathisia |
| Akatsuki (spacecraft) | Akō Castle | Akçe |
| Akıncı | Akıncılar | AKB |
| AKB48 | Akbar Al Baker | Akbar Etemad |
| Akbar Ganji | Akbar Hashemi Rafsanjani | Akbarabad, Anbarabad |
| Akbarabad, Aqqala | Akbarabad, Ardestan | Akbarabad, Esmaili |
| Akbarabad, Zavareh | Akce | Akdeniz University |
| Akebia quinata | Akeem Vargas | Akeley, Minnesota |
| AkelPad | Akemi Kanda | Akemi Okamura |
| Akeno Watanabe | Akerblad | Akes Sheh |
| Akha, Iran | Akhand Rural District | Akhazir |
| Akhiok, Alaska | Akhmad Kadyrov | Akhmad Kadyrov Mosque |
| Akhnaton (play) | Akhtachi Rural District | Akhtachi-ye Mahali Rural District |
| Akhtachi-ye Sharqi Rural District | Aki Toyosaki | Akiak, Alaska |
| Akihiko Hoshide | Akihiko Yoshida | Akihiro Hino |
| Akihiro Ienaga | Akihito | Akiko Hiramatsu |
