| ambrosia | ambrosia |
| ambulance | ambulance |
| AMD | Advanced Micro Devices |
| Amedeo Avogadro | Amedeo Avogadro |
| Amediye | Amedi |
| Ameland | Ameland |
| Amelia Earhart | Amelia Earhart |
| American Beauty | American Beauty |
| American Broadcasting Company | American Broadcasting Company |
| American Dreams | American Dreams |
| American Football Conference | American Football Conference |
| American Hockey League | American Hockey League |
| American Idiot | American Idiot |
| American Kennel Club | American Kennel Club |
| American League | American League |
| American Psychiatric Association | American Psychiatric Association |
| American Psycho | American Psycho |
| American Psychological Association | American Psychological Association |
| American Viticultural Area | American Viticultural Area |
| americium | americium |
| Amerigo Vespucci | Amerigo Vespucci |
| Amerika | America |
| amerikaner | American |
| Amerikanisering | Americanization |
| amerikansk bison | American bison |
| Amerikansk Blåbær | Northern highbush blueberry |
| Amerikansk flagspætte | Hairy Woodpecker |
| amerikansk fodbold | American football |
| Amerikansk folkemusik | American folk music |
| Amerikansk Ginseng | Panax quinquefolius |
| Amerikansk kultur | Culture of the United States |
| Amerikansk mil | Mile |
| Amerikansk Nældetræ | Celtis occidentalis |
| Amerikansk Samoa | Samoa |
| amerikansk skarveand | ruddy duck |
| Amerikansk sortbjørn | American Black Bear |
| Amerikansk sortspætte | Pileated Woodpecker |
| amerikansk tegnesprog | American Sign Language |
| amerikansk tårnfalk | American kestrel |
| Amerikanske borgerkrig | American Civil War |
| Amerikanske dollar | United States dollar |
| Amerikanske gribbe og kondorer | New World vulture |
| Amerikanske Jomfruøer | United States Virgin Islands |
| Amerikanske præsidenter | President of the United States |
| Amerikanske vicepræsidenter | Vice President of the United States |
| Amerikas Forenede Stater | America |
| Amerikas Konfødererede Stater | Confederate States of America |
| Ames' test | Ames test |
| Amethyst | Amethyst |
| ametyst | amethyst |
| amfetamin | amphetamine |
| Amfibiekrigsførelse | Amphibious warfare |
| amfibier | amphibian |
| amfibium | amphibian |
| amfiteater | amphitheatre |
| Amfora | Amphora |
| Amharisk | Amharic |
| Amhrán na bhFiann | Amhrán na bhFiann |
| Amid | Amide |
| Amida | Amidah |
| Amiens | Amiens |
| amin | amine |
| Aminosyre | Amino acid |
| aminosyrer | amino acid |
| Amir Peretz | Amir Peretz |
| Amish | Amish |
| Amman | Amman |
| Ammassalik Kommune | Ammassalik |
| amme | breastfeed |
| Ammianus Marcellinus | Ammianus Marcellinus |
| ammoniak | ammonia |
| Ammoniakvand | Ammonia |
| Ammonit | Ammonite |
| ammonium | ammonium |
| ammoniumdannelse | ammonification |
| Ammoniumphosphat | Ammonium phosphate |
| Ammunitionsrydningstjenesten | Bomb disposal |
| Ammut | Ammit |
| Amnesi | Amnesia |
| Amnesti | Amnesty |
| Amnesty International | Amnesty International |
| Amon | Amun |
| Among the Living | Among the Living |
| Amor-asteroide | Amor asteroid |
| Amos Oz | Amos Oz |
| Ampere | Ampere |
| Amperemeter | Ammeter |
| Amphiuma | Amphiuma |
| amplitude | amplitude |
| Amplitudemodulation | Modulation |
| Amstel | Amstel |
| Amsterdam | Amsterdam |
| Amsterdam ArenA | Amsterdam ArenA |
| Amsterdam Centraal | Amsterdam Centraal railway station |
| Amsterdam Schiphol Airport | Amsterdam Airport Schiphol |
| Amsterdams byvåben | Coat of arms of Amsterdam |
| Amsterdams børs | Amsterdam Stock Exchange |
| Amsterdams flag | Flag of Amsterdam |
| Amsterdamtraktaten | Amsterdam Treaty |
| amt | county |
| Amtrak | Amtrak |
| Amu Darya | Amu Darya |
| Amuletten fra Samarkand | The Amulet of Samarkand |
| Amur | Amur |
| Amur oblast | Amur Oblast |
| Amurset | Amurzet |
| Amy Lee | Amy Lee |
| Amy Winehouse | Amy Winehouse |
| amylase | amylase |
| amøbe | amoeba |
| An | Year |
| An die Freude | Ode to Joy |
| Ana Carolina Reston | Ana Carolina Reston |
| anabolisme | anabolism |
| Anaconda-planen | Anaconda Plan |
| Anaerob | Anaerobic organism |
| anaerob behandling | anaerobic treatment |
| anaerob proces | anaerobic process |
| Anaerob respiration | Anaerobic respiration |
| Anaglyf | Anaglyph image |
| anagram | anagram |
| Anaheim | Anaheim |
| Anaheim Ducks | Anaheim Ducks |
| Anakin Skywalker | Anakin Skywalker |
| anakonda | anaconda |
| Anakreon | Anacreon |
| anakronistisk | dated |
| analerotik | anal sex |
| analfabet | illiterate |
| analog | analogous |
| Analog elektronik | Analogue electronics |
| analsex | anal sex |
| analyse | analysis |
| analyse af forurenende stoffer | pollutant analysis |
| analyse af naturfarer | natural risk analysis |
| analyse af rester | residue analysis |
| analyse af økosystem | ecosystem analysis |
| analyseapparatur | analytical equipment |
| analysemetode | analytical method |
| analyseprogram | analysis programme |
| Analytiker | Analytical chemist |
| Analytisk filosofi | Analytic philosophy |
| analytisk kemi | analytical chemistry |
| ananas | pineapple |
| Ananas-familien | Bromeliaceae |
| Ananke | Ananke |
| Ananke-gruppen | Ananke group |
| Anapa | Anapa |
| Anarchist Black Cross | Anarchist Black Cross |
| Anarka-feminisme | Anarcha-feminism |
| anarki | anarchy |
| anarkisme | anarchism |
| Anarkister | List of anarchists |
| Anarko-kommunisme | Anarchist communism |
| Anarko-primitivisme | Anarcho-primitivism |
| Anarko-punk | Anarcho-punk |
| Anarkokapitalisme | Anarcho-capitalism |
| Anastacia | Anastacia |
| Anastasija Vertinskaja | Anastasiya Vertinskaya |
| Anatolien | Anatolia |
| Anatolij Ljadov | Anatoly Konstantinovich Lyadov |
| anatomi | anatomy |
| Anatomisk terapeutisk kemisk klassifikation | Anatomical Therapeutic Chemical Classification System |
| Anaxagoras | Anaxagoras |
| Anaximander | Anaximander |
| Anaximenes | Anaximenes of Miletus |
| Anaïs Nin | Anaïs Nin |
| Anchises | Anchises |
| Anchorage | Anchorage |
| anciennitet | seniority |
| Ancient Domains of Mystery | Ancient Domains of Mystery |
| Ancistrus | Ancistrus |
| and | duck |
| And the Glass Handed Kites | And the Glass Handed Kites |
| Andalusien | Andalusia |
| Andamanerne | Andaman Islands |
| Andamanerne og Nicobarerne | Andaman and Nicobar Islands |
| Andamanhavet | Andaman Sea |
| Andebu | Andebu |
| Andeby | Duckburg |
| Andefugle | Anseriformes |
| andemad | duckweed |
| Andemad-familien | Lemnaceae |
| anden | second |
| Anden Internationale | Second International |
| Anden kinesisk-japanske krig | Second Sino-Japanese War |
| Anden Mosebog | Exodus |
| Anden opiumskrig | Second Opium War |
| Anden puniske krig | Second Punic War |
| Anden Verdenskrig | World War II |
| Anden Verdenskrig på Færøerne | British occupation of the Faroe Islands in World War II |
| Anden Wienerskole | Second Viennese School |
| Andengradsligning | Quadratic equation |
| Andengradspolynomium | Quadratic equation |
| anderledes | different |
| Anders | Andrew |
| Anders And | Donald Duck |
| Anders Celsius | Anders Celsius |
| Anders Colsefini | Anders Colsefini |
| Anders Fogh Rasmussen | Anders Fogh Rasmussen |
