| Armenia | Arménie |
| Armenien | Arménie |
| Armeniens flagga | Arménská vlajka |
| armeniska | arménština |
| Armeniska folkmordet | Arménská genocida |
| Armfotingar | Ramenonožci |
| armhåla | podpaží |
| Armia Krajowa | Zemská armáda |
| Armin Meiwes | Armin Meiwes |
| Armin van Buuren | Armin van Buuren |
| Arminianism | Arminianismus |
| Arminius | Arminius |
| armé | armáda |
| Arnaut Danièl | Arnaut Daniel |
| Arne Friedrich | Arne Friedrich |
| Arnhem | Arnhem |
| Arno | Arno |
| Arno Penzias | Arno Allan Penzias |
| Arnold | Arnold |
| Arnold Böcklin | Arnold Böcklin |
| Arnold GmbH | Arnold |
| Arnold Rüütel | Arnold Rüütel |
| Arnold Schwarzenegger | Arnold Schwarzenegger |
| Arnold Schönberg | Arnold Schoenberg |
| Arnolfo di Cambio | Arnolfo di Cambio |
| Arnor | Arnor |
| arom | vůně |
| aromatisk förening | aromatická sloučenina |
| Aromatiska kolväten | Areny |
| aromatiskt kolväte | aromatický uhlovodík |
| aromatiskt ämne | látka aromatická |
| Aron | Árón |
| Around the Sun | Around the Sun |
| ARP | Address Resolution Protocol |
| ARP Instruments | ARP |
| ARPA | Harfa |
| Arpad Elo | Arpad Elo |
| ARPANET | ARPANET |
| Arran Distillery | Isle of Arran |
| Array | Pole |
| arrendator | nájemce |
| arrende | smlouva o pronájmu |
| Arrhinoceratops brachyops | Arrhinoceratops |
| Arrigo Boito | Arrigo Boito |
| arrondering | slučování pozemků |
| Arrondissement | Arrondissement |
| Arrows | Arrows |
| Ars nova | Ars nova |
| arsel | zkurvysyn |
| Arsenal de Sarandí | Arsenal FC |
| Arsenal FC | Arsenal FC |
| arsenik | arzen |
| Arses | Arsés |
| Arsia Mons | Arsia Mons |
| arsle | prdel |
| Arsène Wenger | Arsène Wenger |
| art | druh |
| Art Buchwald | Art Buchwald |
| Art déco | Art deco |
| Art Ross Memorial Trophy | Art Ross Trophy |
| Arte | ARTE |
| Artemis | Artemis |
| Artemis Fowl | Artemis Fowl |
| Artemistemplet i Efesos | Artemidin chrám v Efesu |
| arter | druh |
| Arthur Adamov | Arthur Adamov |
| Arthur av Connaught | Artur |
| Arthur Compton | Arthur Holly Compton |
| Arthur Conan Doyle | Arthur Conan Doyle |
| Arthur Dent | Arthur Dent |
| Arthur Evans | Arthur Evans |
| Arthur Golden | Arthur Golden |
| Arthur Hailey | Arthur Hailey |
| Arthur Honegger | Arthur Honegger |
| Arthur Machen | Arthur Machen |
| Arthur Miller | Arthur Miller |
| Arthur Rimbaud | Arthur Rimbaud |
| Arthur Schnitzler | Arthur Schnitzler |
| Arthur Schopenhauer | Arthur Schopenhauer |
| Arthur Sullivan | Arthur Sullivan |
| Arthur Travers Harris | Arthur Harris |
| Arthur Wellesley Wellington | Arthur Wellesley |
| Articulata | článkovec |
| Artificiell intelligens | Umělá inteligence |
| artig | zdvořilý |
| artikel | článek |
| Artilleri | Dělostřelectvo |
