| A Nightmare On Elm Street | A Nightmare on Elm Street |
| A priori | A priori and a posteriori |
| A Triumph For Man | A Triumph for Man |
| A View to a Kill | A View to a Kill |
| A-ha | A-ha |
| A-Ma templet | A-Ma Temple |
| AA | AA |
| Aabenraa | Aabenraa |
| Aabenraa Kommune | Aabenraa Municipality |
| Aabybro Kommune | Aabybro |
| Aachen | Aix-la-Chapelle |
| Aage Bohr | Aage Niels Bohr |
| Aalborg | Aalborg |
| Aalborg Boldspilklub | Aalborg Boldspilklub |
| Aalborg Kommune | Aalborg |
| Aalborg Lufthavn | Aalborg Airport |
| Aalborg Tårnet | Aalborg Tårnet |
| Aalborg Universitet | University of Aalborg |
| Aalen | Aalen |
| Aalestrup Kommune | Aalestrup Municipality |
| Aalesunds Fotballklubb | Aalesunds FK |
| Aaliyah | Aaliyah |
| Aalsmeer | Aalsmeer |
| Aarau | Aarau |
| Aare | Aar |
| Aargau | Aargau |
| Aarhus | Aarhus |
| Aarhus Fremad | Aarhus Fremad |
| Aarhus Lufthavn | Aarhus Airport |
| Aarhus Universitet | University of Aarhus |
| Aaron | Aaron |
| Aaron Burr | Aaron Burr |
| Aaron Carter | Aaron Carter |
| Aaron Copland | Aaron Copland |
| Aaron Lennon | Aaron Lennon |
| Aaron Nimzowitsch | Aron Nimzowitsch |
| Aars | Aars |
| Aars Kommune | Aars |
| Aarup | Aarup |
| Aarup Kommune | Aarup |
| Aasiaat Kommune | Aasiaat |
| Aaskov Kommune | Aaskov Municipality |
| abaca | abaca |
| Abacus | Abacus |
| Abadan | Abadan |
| Abaddon | Abaddon |
| Abakan | Abakan |
| abasi | abasia |
| Abayasøen | Lake Abaya |
| ABBA | ABBA |
| abbed | abbot |
| abbedisse | abbess |
| Abbesøen | Lake Abbe |
| Abbeville | Abbeville |
| Abbey Theatre | Abbey Theatre |
| Abbé | Abbot |
| Abbé Pierre | Abbé Pierre |
| ABC | ABC |
| ABC-våben | ABC weapons |
| ABC-øerne | ABC islands |
| Abdel Aziz al-Rantissi | Abdel Aziz al-Rantissi |
| abdicering | abdication |
| abdikation | abdication |
| Abdul Qadeer Khan | Abdul Qadeer Khan |
| Abdul Rahman | Abdul Rahman |
| Abdul Rahman Al Ghafiqi | Abdul Rahman Al Ghafiqi |
| Abdullah Gül | Abdullah Gül |
| Abdullah ibn Hussein | Abdullah I of Jordan |
| abe | monkey |
| Abe Sapien | Abe Sapien |
| Abe-underordenen | Haplorrhini |
| Abebe Bikila | Abebe Bikila |
| abekat | monkey |
| Abel | Abel |
| Abel af Danmark | Abel of Denmark |
| Abel Tasman | Abel Tasman |
| Abelard og Héloïse | Peter Abelard |
| Abelia | Abelia |
| Abeliophyllum | Abeliophyllum |
| abelsk | abelian |
| Abelsk gruppe | Abelian group |
| Abemennesker | Homininae |
| Abeokuta | Abeokuta |
| Aberdeen | Aberdeen |
| Aberdeenshire | Aberdeenshire |
| Aberlour | Aberlour Distillery |
| Aberystwyth | Aberystwyth |
| Abeskræk-familien | Araucariaceae |
| Abeskræk-slægten | Monkey-puzzle |
| Abesnot | Blu Tack |
| Abetræ | Araucaria araucana |
| Abeørn | Philippine Eagle |
| Abidjan | Abidjan |
| Abigail | Abigail |
| Abigail og Brittany Hensel | Abigail and Brittany Hensel |
| Abild | Malus sylvestris |
| Abimelek | Abimelech |
| abiotisk miljø | abiotic environment |
| Abiotisk olie | Abiogenic petroleum origin |
| abiotiske faktorer | abiotic factor |
| Abisko | Abisko |
| ABIT | Universal abit |
| Abkhasien | Abkhazia |
| Abkhasier | Abkhazian |
| abkhasisk | Abkhaz |
| ablativ | ablative case |
| abnorm | abnormal |
| Abolhassan Banisadr | Abolhassan Banisadr |
| abolitionist | abolitionist |
| abonnement | subscription |
| aboriginer | aborigine |
| Aborigines | Aborigine |
| aborre | European perch |
| Abou Diaby | Abou Diaby |
| Abraham | Abraham |
| Abraham de Moivre | Abraham de Moivre |
| Abraham ibn Ezra | Abraham ibn Ezra |
| Abraham Lincoln | Abraham Lincoln |
| Abraham Maslow | Abraham Maslow |
| Abraham Simpson | Abraham Simpson |
| Abrahamitiske religioner | Abrahamic religion |
| Abrahams Bog | Book of Abraham |
| Abrahams ofring af Isak | Binding of Isaac |
| abrikos | apricot |
| Abruzzo | Abruzzo |
| ABS-plast | Acrylonitrile butadiene styrene |
| Absalom | Absalom |
| Absalon | Absalon |
| absces | abscess |
| Abscisinsyre | Abscisin |
| Absint | Absinthe |
| absolut | absolutely |
| Absolut nulpunkt | Absolute zero |
| absolut nødvendighed | sine qua non |
| Absolut størrelsesklasse | Absolute magnitude |
| Absolut Vodka | Absolut Vodka |
| absorption | absorption |
| absorption af forurenende stoffer | pollutant absorption |
| abstrakt algebra | abstract algebra |
| Abstrakt kunst | Abstract art |
| Abstraktion | Abstraction |
| absurd | absurd |
| Absyrtos | Absyrtus |
| Abu Ayyub al-Masri | Abu Ayyub al-Masri |
| Abu Bakr | Abu Bakr |
| Abu Bakr Mohammad Ibn Zakariya al-Razi | Muhammad ibn Zakarīya Rāzi |
| Abu Dhabi | Abu Dhabi |
| Abu Ghraib | Abu Ghraib |
| Abu Ghraib-fængslet | Abu Ghraib prison |
| Abu Laban | Ahmad Abu Laban |
| Abu Musab al-Zarqawi | Abu Musab al-Zarqawi |
| Abu Simbel | Abu Simbel |
| Abuja | Abuja |
| Abukir | Abu Qir |
| Abwehr | Abwehr |
| Abyssiner | Abyssinian |
| Abyssinien | Abyssinia |
| AC | AC |
| Academia Europaea | Academia Europæa |
| Academy of Motion Picture Arts and Sciences | Academy of Motion Picture Arts and Sciences |
| Acadia | New Brunswick |
| Académie française | Académie française |
| Acapulco | Acapulco |
| Acari | Acarina |
| Accademia Carrara | Accademia Carrara |
| acceleratie | acceleration |
| acceleration | acceleration |
| Accenttegn | Diacritic |
| acceptabel daglig dosis | acceptable daily intake |
| acceptabelt risikoniveau | acceptable risk level |
| acceptere | allow |
| Accipitridae | Accipitridae |
| According to Jim | According to Jim |
| Accra | Accra |
| Ace of Base | Ace of Base |
| Aceh | Aceh |
| Acer | Acer |
| Acesulfam-kalium | Acesulfame potassium |
| Acetone | Acetone |
| Acetoneperoxid | Acetone peroxide |
| Acetylen | Acetylene |
| Achaea | Achaea |
| Achaier | Achaeans |
| Achham District | Achham District |
| Achill Island | Achill Island |
| Achille Lauro | Achille Lauro |
| Achilles | Achilles |
| Achillessene | Achilles tendon |
| Achilleus | Achilles |
| Achmed Sukarno | Sukarno |
| Achæmenide-dynastiet | Achaemenid Empire |
| Acid Drinkers | Acid Drinkers |
| Acireale | Acireale |
| Acne Jeans | Acne Jeans |
| Aconcagua | Aconcagua |
| Acorn RISC Machine | ARM architecture |
| Acquired Immuno Deficiency Syndrome | AIDS |
| Acre | Acre |
| Acrotomofili | Amputee fetishism |
| Acta Eruditorum | Acta Eruditorum |
| Actinid | Actinide |
| actinider | actinide |
| actinium | actinium |
| Action Directe | Action directe |
| Actionspil | Action game |
| Actium | Actium |
| Active Server Pages | Active Server Pages |
| Activity-based costing | Activity-based costing |
| Ada | Ada |
