| Arberesh | Arbereshe | Arberisht |
| Arbil | Arbitraža | Arbitraža za določitev meje med Slovenijo in Hrvaško |
| Arbitražni sporazum | Arbnež | Arbo Valdma |
| Arbogast | Arbois | Arboretum |
| Arboretum Antsokay | Arboretum Debeli rtič | Arboretum Volčji Potok |
| Arboretum Volčji potok | Arbori | Arboucave |
| Arbovirus | Arbroath Abbey | Arbroathska opatija |
| Arbter | Arbun | Arbutus unedo |
| Arc de Triomphe du Carrousel | Arc-et-Senans | Arca di San Domenico |
| Arca zebra | Arcachon | Arcadio María Larraona Saralegui |
| Arcangelo Corelli | ArcelorMittal | Arch Enemy |
| Arch enemy | Arch Linux | Archaea |
| Archaeognatha | Archaeopteryx | Archaeopteryx lithographica |
| Archaeorrhyncha | Archbishop Makarios | Archer |
| Archiac | Archiacanthocephala | Archibald Armar Montgomery-Massingberd |
| Archibald Arnold | Archibald Bentley Beauman | Archibald Bower |
| Archibald Campbell Munro | 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 |
