| Archibald Cochrane | Archibald Cochrane (kapitan) | Archibald Cochrane (kontraadmiral) |
| Archibald Cochrane, 9th Earl of Dundonald | Archibald Douglas Cochrane | Archibald Edward Nye |
| Archibald Geikie | Archibald Gracie IV | Archibald Gracie IV. |
| Archibald Henderson | Archibald Hill | Archibald Hutcheson |
| Archibald James Halkett Cassels | Archibald Jenks | Archibald Leitch |
| Archibald Little | Archibald Maxwell Craig | Archibald Montgomery-Massingberd |
| Archibald N. Jenks | Archibald Nathaniel Jenks | Archibald Nye |
| Archibald Percival Wavell, 1st Earl Wavell | Archibald Scott Couper | Archibald Sholto George Douglas |
| Archibald V. Arnold | Archibald Vincent Arnold | Archibald Vivian Hill |
| Archibald Wavell | ArchiCAD | Archicad |
| Archie Hahn | Archie Jewell | Archie Nathaniel Jenks |
| Archie Scott Brown | Archie Scott-Brown | Archiearis parthenias |
| Archiginnasio, Bologna | Archimede Mischi | Archimede Rosa |
| Architeuthidae | Architeuthis | ARCHOS 101 |
| Archos 101 | Archos 101 Internet Tablet | ARCHOS 101 internet tablet |
| Archos 101 Internet tablet | Arcis-sur-Aube | Arclin |
| Arcmin | Arcoverde | Arcsec |
| Arctia villica | Arctic Monkeys | Arctocephalus pusillus |
| Arctodus | Arctodus simus | Arctodus Simus Yukonensis |
| Arctogadus glacialis | Arctostaphylos uva-ursi | Arcus |
| Arcutanov | Arda | Arda (razločitev) |
| Arda (reka) | Arda Armenska | Arda, Rodopi |
| Ardašir I. | Ardašir II. | Ardabur |
| Ardagh | Ardahan (provinca) | Ardahšir I. |
| Ardahšir II. | Ardal | Ardant |
| Ardarik | Ardèche | Ardèche (departma) |
| Ardèche (reka) | Ardbeg | Ardea alba |
| Ardea goliath | Ardea nycticorax | Ardea purpurea |
| Ardeche | Ardeidae | Ardem Patapoutian |
| Arden | Ardeni | Ardennes (département) |
| Ardennes (departma) | Ardenska bitka | Ardenska kampanja (1944) |
| Ardenska ofenziva | Ardenska ofenziva (1944) | Ardent (razločitev) |
| Ardentes | Ardeotis arabs | Ardeotis kori |
| Ardiejci | Ardijejci | Arditi |
| Ardito Desio | Ardro | Ardro pod Velikim Trnom |
| Ardro pri Raki | ARDS | Arduino |
| Ardwick A.F.C. | Are | Area 51 |
| Arebati | Arebica | Aredhel |
| Aredhel Ar-Feiniel | Aredolpona rubra | Aregno |
| Areh | Areja | Arena |
| Arena (TV-oddaja) | Arena Žalgiris | Arena Gardens |
| Arena Gliwice | Arena Petrol | Arena Spaladium |
| Arena Stožice | Arenal | Arenaria ciliata |
| Arenaviridae | Arenavirus | Arenavirusi |
| Arend Joan Rutgers | Arendal | Arendt |
| Arengosse | Areni | Arenicola marina |
| Arensnufis | Areola | Areometer |
| Areopag | Areopagus | Arequipa |
| Ares | Ares I | Ares V |
| Areta | Aretacija | Aretha Franklin |
| Aretha Louise Franklin | Arethusa (razločitev) | Areva |
| Arezzo | Arezzo (pokrajina) | ARFF |
| Arfova invarianta | Arg | Argan |
| Argandov diagram | Argandova ravnina | Argania sideroxylon |
| Argania spinosa | Arganija | Arganovo drevo |
| ARGD | Argeş (reka) | Argeș (reka) |
| Argel Fucks | Argelander | Argelès-Gazost |
| Argeles-Gazost | Argelos, Landes | Argelouse |
| Argent-sur-Sauldre | Argentan | Argentat |
| Argentavis | Argentavis magnificens | Argenteuil |
| Argenteus | Argentina | Argentina Menis |
| Argentinci | Argentine | Argentinska doga |
| Argentinska nogometna reprezentanca | Argentinska republika | Argentinski oslič |
| Argentinski park, Ljubljana | Argentinski tango | Argentinski zobotrebec |
| Argentinsko jezero | Argentit | Argento |
| Argenton-sur-Creuse | Argentré-du-Plessis | Argentre-du-Plessis |
| Arghus | Arghus Soares Bordignon | Argišti I. |
| Arginin | Arginin alfaketoglutarat | Arginin-vazopresin |
| Argio Sabadin | Argiope bruennichi | Argiope lobata |
| Argiope mascordi | Argipresin | Argirija |
| Argiusta-Moriccio | Argo | Argo (zvrst jezika) |
| Argo jezik | ARGO S.p.A. | Argo, Alabama |
| Argolida | Argon | Argon (razločitev) |
| Argon (razločitvena stran) | Argonavti | Argonavtska konferenca |
| Argonov fluorohidrid | Argonove anorganske spojine | Argos |
| Argos (mesto) | Argos (mitologija) | Argot |
| Argulidae | Arguloida | Argument |
| Argument (logika) | Argument periapside | Argument periastrona |
| Argument perigeja | Argument perihelija | Argument prisončja |
| Argument prizemlja | Argun | Argun, Azija |
| Argun, Čečenija | Argun, Rusija | Argus (razločitev) |
| Argus Filch | Argutit | Argyll (razločitev) |
| Argynnis adippe | Argynnis aglaja | Argynnis niobe |
| Argynnis paphia | Argyresthia fundella | Argyroneta |
| Argyroneta aquatica | Arh | Arha (luna) |
| Arhaična doba | Arhaična Grčija | Arhaični Homo sapiens |
| Arhaični homo sapiens | Arhaik | Arhaizem |
| Arhangel (razločitev) | Arhangelsk | Arhangelska oblast |
| Arhangelski Ar-2 | Arhar | Arhebakterija |
| Arhegonij | Arheja | Arheje |
| Arheo | Arheoakustika | Arheološka najdišča Bat, al-Hutm in al-Ajn |
| Arheološka najdišča Bat, al-Kutm in al-Ajn | Arheološka najdišča in jamske poslikave v dolini reke Vézère | Arheološka najdišča in jamske poslikave v reke dolini Vézère |
| Arheološki muzej Alta Montaña de Salta | Arheološki muzej Konya | Arheološki muzej Pella |
| Arheološki muzej v Solunu | Arheološki muzej v Zagrebu | Arheološki muzej Volosa |
| Arheološki muzej, Kavala | Arheološki muzeji v Istanbulu | Arheološki park Foz Coa in Siega Verde |
| Arheološki park Pafos | Arheološki park Rifnik | Arheološki park San Agustín |
| Arheološki park Simonov zaliv | Arheološki park v dolini Coa in Siegi Verde | Arheološki vestnik |
| Arheološko najdišče | Arheološko najdišče Ajdna | Arheološko najdišče Hajdina |
| Arheološko najdišče Kostel | Arheološko najdišče Ljubljanica | Arheološko najdišče Mérida |
| Arheološko najdišče Rifnik | Arheološko najdišče Simonov zaliv | Arheološko območje Gobavica |
