| Arras | Arras |
| Arrigo Boito | Arrigo Boito |
| arsen | arsenic |
| Arsen Kotsojev | Arsen Kotsoyev |
| Arsène Wenger | Arsène Wenger |
| art | species |
| Art Buchwald | Art Buchwald |
| Art deco | Art Deco |
| Art Garfunkel | Art Garfunkel |
| Art Ross Trophy | Art Ross Trophy |
| Art Tatum | Art Tatum |
| Artefakt | Compression artifact |
| Artem Vedel | Artemy Vedel |
| Artemis | Artemis |
| Artemis Fowl | Artemis Fowl |
| Artemistemplet i Efesos | Temple of Artemis |
| Arterie | Artery |
| Arteriole | Arteriole |
| Arternes Oprindelse | On the Origin of Species |
| Arthas | Arthas Menethil |
| Arthedain | Arthedain |
| Arthur Bliss | Arthur Bliss |
| Arthur Compton | Arthur Compton |
| Arthur Conan Doyle | Arthur Conan Doyle |
| Arthur Dent | Arthur Dent |
| Arthur Evans | Arthur Evans |
| Arthur Honegger | Arthur Honegger |
| Arthur Koestler | Arthur Koestler |
| Arthur Miller | Arthur Miller |
| Arthur Rimbaud | Arthur Rimbaud |
| Arthur Schopenhauer | Arthur Schopenhauer |
| Arthur Seyss-Inquart | Arthur Seyss-Inquart |
| Arthur Stanley Eddington | Arthur Stanley Eddington |
| Arthur Sullivan | Arthur Sullivan |
| Arthur Wellesley | Arthur Wellesley |
| articulata | Articulata |
| artikel | article |
| artikulation | articulation |
| Artilleri | Artillery |
| artiskok | artichoke |
| Artistisk | Art |
| Artur Balder | Artur Balder |
| Artur Rubinstein | Arthur Rubinstein |
| Arturo Pérez-Reverte | Arturo Pérez-Reverte |
| Arturo Toscanini | Arturo Toscanini |
| Aruba | Aruba |
| Arum-familien | Araceae |
| Arunachal makak | Arunachal Macaque |
| Arunachal Pradesh | Arunachal Pradesh |
| Arv og miljø | Nature versus nurture |
| Arva | Avalanche transceiver |
| arveanlæg | genetic pool |
| arvelighedslære | genetics |
| Arveligt monarki | Hereditary monarchy |
| Arvemasse | Genome |
| Arven | Arven |
| Arvesynd | Original sin |
| Arvika | Arvika |
| Arvika kommun | Arvika Municipality |
| Arvo Pärt | Arvo Pärt |
| Arwen | Arwen |
| AS Monaco | AS Monaco FC |
| AS Saint-Étienne | AS Saint-Étienne |
| As Sulaymaniyah | As Sulaymaniyah Governorate |
| Asafa Powell | Asafa Powell |
| asbest | asbestos |
| asbestcement | asbestos cement |
| asbestose | asbestosis |
| Asbjørnsen og Moe | Norske Folkeeventyr |
| ASCII | American Standard Code for Information Interchange |
| ASEAN | ASEAN |
| Aseksualitet | Asexuality |
| Aserbajdsjan | Azerbaijan |
| Aserbajdsjansk | Azeri |
| Asetro | Ásatrú |
| asfalt | asphalt |
| Asfaltjunglen | The Asphalt Jungle |
| Asgård | Asgard |
| Ash Ketchum | Ash Ketchum |
| Ashdod | Ashdod |
| Ashihara Karate | Ashihara kaikan |
| Ashkelon | Ashkelon |
| Ashkenazisk jødedom | Ashkenazi Jews |
| Ashlee Simpson | Ashlee Simpson |
| Ashley Tisdale | Ashley Tisdale |
| Ashoka | Ashoka the Great |
| Ashton Kutcher | Ashton Kutcher |
| Asia | Asia |
| Asia-Europe Meeting | Asia-Europe Meeting |
| Asian Football Confederation | Asian Football Confederation |
| Asiana Airlines | Asiana Airlines |
| Asiat | Asian |
| Asiatisk | Asiatic |
| Asiatisk dværgodder | Oriental Small-clawed Otter |
| Asiatisk elefant | Indian elephant |
| Asiatisk sortbjørn | Asiatic Black Bear |
| Asics | Asics |
| asie | gherkin |
| Asien | Asia |
| Asjkhabad | Ashgabat |
| Ask og Embla | Ask and Embla |
| aske | ash |
| Askebladet Løn | Acer negundo |
| askebæger | ashtray |
| askegrå | ashen |
| Askeonsdag | Ash Wednesday |
| Askepot | Cinderella |
| Asker | Asker |
| Askersund | Askersund |
| asket | ascetic |
| Askim | Askim |
| Askvoll | Askvoll |
| Askøy | Askøy |
| Aslambek Aslakhanov | Aslambek Aslakhanov |
| Aslan Maskhadov | Aslan Maskhadov |
| Asmara | Asmara |
| Asnières-sur-Seine | Asnières-sur-Seine |
| Asopos | Asopus |
| ASP Linux | ASPLinux |
| asparges | asparagus |
| Asparges-familien | Asparagaceae |
| Asparges-ordenen | Asparagales |
| Aspartam | Aspartame |
| Aspen-tree | Aspen-tree |
| Aspergers syndrom | Asperger syndrome |
| aspiration | aspiration |
| aspirin | aspirin |
| Aspis | Aspis |
| ASPO | Association for the Study of Peak Oil and Gas |
| Assam | Assam |
| assamesisk | Assamese |
| Assan Basajev | Assan Bazayev |
| Assassinersekten | Hashshashin |
| Assemblersprog | Assembler |
| Assemblée Nationale | Constituent assembly |
| Assens Kommune | Assens Municipality |
| assimilation | assimilation |
| assimilere | assimilate |
| Assisi | Assisi |
| Assistens Kirkegård | Assistants Cemetery |
| assistere | assist |
| Associated Press | Associated Press |
| Association for Computing Machinery | Association for Computing Machinery |
| Association Internationale de Boxe Amateure | International Boxing Association |
| Association of Tennis Professionals | Association of Tennis Professionals |
| Associere | Associate oneself |
| assorteret | assorted |
| Assur | Ashur |
| Assurance | Poise |
| Assyrien | Assyria |
| Assyriologi | Assyriology |
| Astana | Astana |
| Astana Team | Astana Team |
| astat | astatine |
| Asterix | Asterix |
| asteroide | asteroid |
| Asteroidebælte | Asteroid belt |
| asthenosfære | asthenosphere |
| astma | asthma |
| Astor Piazzolla | Ástor Piazzolla |
| Astrakan | Astrakhan |
| Astrakhan oblast | Astrakhan Oblast |
| Astrallegeme | Astral body |
| Astralprojektion | Astral projection |
| Astrid Lindgren | Astrid Lindgren |
| astrofysik | astrophysics |
| astrologi | astrology |
| Astronaut | Astronaut |
| astronautik | astronautics |
| astronom | astronomer |
| astronomi | astronomy |
| Astronomisatellitter | Space telescope |
| astronomisk enhed | astronomical unit |
| Astronomiske tidsregning | Astronomical year numbering |
| Astyages | Astyages |
| Asunción | Asunción |
| ASUS | ASUS |
| Aswan | Aswan |
