| Ardoix | Ardoix |
| Ardon | Ardon |
| Ardouval | Ardouval |
| Ardres | Ardres |
| ARDS | Zespół ostrej niewydolności oddechowej |
| Ards FC | Ards Newtownards |
| Ardulfurataini Watan | Ardulfurataini Watan |
| Ardèche | Ardèche |
| Arecales | Arekowce |
| Arecibo | Obserwatorium Arecibo |
| Areciboboodschap | Wiadomość Arecibo |
| Arecidae | Arekowe |
| Aredhel | Aredhela |
| Aregno | Aregno |
| Areines | Areines |
| Arenal | Arenal |
| Arenas Club de Getxo | Arenas Getxo |
| Arenavirussen | Arenawirusy |
| arend | orzeł |
| Arendal | Arendal |
| Arendbuizerd | Kurhannik |
| Arendsee | Arendsee |
| Arengosse | Arengosse |
| Arenthon | Arenthon |
| Areola | Sutek |
| Areometer | Areometr |
| Arequipa | Arequipa |
| Ares | Ares |
| Aresches | Aresches |
| Aresing | Aresing |
| Aressy | Aressy |
| Aretas IV | Aretas IV |
| Arete van Cyrene | Arate z Cyreny |
| Aretha Franklin | Aretha Franklin |
| Arethusa | Aretuza |
| Arette | Arette |
| Arezzo | Arezzo |
| Arfeuille-Châtain | Arfeuille-Châtain |
| Arfeuilles | Arfeuilles |
| Arfons | Arfons |
| Argagnon | Argagnon |
| Arganchy | Arganchy |
| Argancy | Argancy |
| Argançon | Argançon |
| Argein | Argein |
| Argeliers | Argeliers |
| Argelliers | Argelliers |
| Argelos | Argelos |
| Argelouse | Argelouse |
| Argelès-Bagnères | Argelès |
| Argelès-Gazost | Argelès-Gazost |
| Argelès-sur-Mer | Argelès-sur-Mer |
| Argenbühl | Argenbühl |
| Argences | Argences |
| Argens-Minervois | Argens-Minervois |
| Argent-sur-Sauldre | Argent-sur-Sauldre |
| Argenta | Argenta |
| Argentat | Argentat |
| Argentenay | Argentenay |
| Argenteuil | Argenteuil |
| Argenteuil-sur-Armançon | Argenteuil-sur-Armançon |
| Argentijns Antarctica | Antarktyda Argentyńska |
| Argentijns voetbalelftal | Reprezentacja Argentyny w piłce nożnej |
| Argentijnse | Argentyna |
| Argentijnse Anticommunistische Alliantie | Triple A |
| Argentijnse peso | Peso argentyńskie |
| Argentina | Argentyna |
| Argentine | Argentine |
| Argentinië | Argentyna |
| Argentinos Juniors | Argentinos Juniors Buenos Aires |
| Argentinosaurus | Argentynozaur |
| Argentières | Argentières |
| Argenton | Argenton |
| Argenton-Château | Argenton-Château |
| Argenton-Notre-Dame | Argenton-Notre-Dame |
| Argenton-sur-Creuse | Argenton-sur-Creuse |
| Argentré | Argentré |
| Argentré-du-Plessis | Argentré-du-Plessis |
| Argenvilliers | Argenvilliers |
| Argenvières | Argenvières |
| Argers | Argers |
| Arget | Arget |
| Argeş | Ardżesz |
| Argilliers | Argilliers |
| Argillières | Argillières |
| Argilly | Argilly |
| Argis | Argis |
| Argiésans | Argiésans |
| Argja Bóltfelag | AB Argir |
| Argo | Argo |
| Argoen | Arguń |
| Argol | Argol |
| Argolis | Argolida |
| argon | argon |
| Argonath | Argonath |
| Argonaut | Argonauta |
| Argonauten | Argonauci |
| Argonay | Argonay |
| Argos | Argos |
| Argouges | Argouges |
| Argoules | Argoules |
| Argueil | Argueil |
| Arguel | Arguel |
| Arguenos | Arguenos |
| Arguin | Arguin |
| Argumentum ad baculum | Argumentum ad baculum |
| Argumentum ad hominem | Argumentum ad hominem |
| Argumentum ad misericordiam | Argumentum ad misericordiam |
| Argumentum ad populum | Argumentum ad populum |
| Argus | Argos |
| Argus Panoptes | Argos |
| Argus Vilder | Argus Filch |
| Argusfazant | Argus malajski |
| Argusvissen | Argusowate |
| Argusvlinder | Satyr |
| Argut-Dessous | Argut-Dessous |
| Argy | Argy |
| Argyll and Bute | Argyll and Bute |
| Argœuves | Argœuves |
| Arhansus | Arhansus |
| Ari | Ari |
| Aria Giovanni | Aria Giovanni |
| Ariaan | Arianin |
| Ariadne | Ariadna |
| Ariane | Ariane |
| Ariane der Nederlanden | Ariane |
| Arianisme | Arianizm |
| Arianna | Ariadna |
| Ariano Irpino | Ariano Irpino |
| Arianrhod | Arianrhod |
| Ariary | Ariary |
| Arica | Arica |
| Ariclenes da Silva Ferreira | Ariclenes da Silva Ferreira |
| Ariel | Ariel |
| Ariel Ortega | Ariel Ortega |
| Ariel Ramírez | Ariel Ramírez |
| Ariel Sharon | Ariel Szaron |
| Aries | Baran |
| Aries-Espénan | Aries-Espénan |
| Arifat | Arifat |
| Arignac | Arignac |
| Arik Einstein | Arik Einstein |
| Arik-den-ili | Arik-den-ili |
| Arinthod | Arinthod |
| Arion | Arion |
| Arioso | Arioso |
| Ariosofie | Ariozofia |
| Ariovald | Arioald |
| Ariovistus | Ariowist |
| Aris Bonnevoie | Aris Bonnevoie |
| Aris Saloniki | Aris Saloniki |
| Arisch | Ariowie |
| Arische ras | Ariowie |
| Aristaeus | Aristajos |
| Aristarchus | Arystarch z Samos |
| Aristide Briand | Aristide Briand |
| Aristides | Arystydes Sprawiedliwy |
| Aristippos van Cyrene | Arystyp |
| Aristobulus | Arystobul |
| Aristobulus I | Arystobul I |
| Aristobulus II | Arystobul II |
| Aristobulus III | Arystobul III |
| Aristophanes | Arystofanes |
| Aristophanes van Byzantium | Arystofanes z Bizancjum |
| Aristoteles | Arystoteles |
| Aristoteles Onassis | Arystoteles Onassis |
| Arith | Arith |
| Arithmetic Logic Unit | Jednostka arytmetyczno-logiczna |
| Aritmetische codering | Kodowanie arytmetyczne |
| Aritmomanie | Arytmomania |
| Arius | Ariusz |
| Arizona | Arizona |
| Arizona Cardinals | Arizona Cardinals |
| Arizona Diamondbacks | Arizona Diamondbacks |
| Ariège | Ariège |
| Ariégeois | Ariégeois |
| Ariël | Ariel |
| Ariën | Aire-sur-la-Lys |
| Ariër | Ariowie |
| ARJ | ARJ |
| Arjen Anthony Lucassen | Arjen Lucassen |
| Arjen Robben | Arjen Robben |
| Arjeplog | Gmina Arjeplog |
| Arjuna | Ardźuna |
| Arjuzanx | Arjuzanx |
| Ark Linux | Ark Linux |
| Ark van het Verbond | Arka Przymierza |
| Ark van Noach | Arka Noego |
| Arkadiusz Onyszko | Arkadiusz Onyszko |
| Arkady Naiditsch | Arkadij Naiditsch |
| Arkansas | Arkansas |
| ArkeFly | Arkefly |
| Arken | Arques |
| Arkensteen | Arcyklejnot |
| Arkesilaos | Arkezylaos |
| Arkia Israeli Airlines | Arkia |
| Arkose | Arkoza |
| Arktika | NS Arktika |
| Arlanc | Arlanc |
| Arlay | Arlay |
| Arlberg | Arlberg |
| Arlebosc | Arlebosc |
| Arlempdes | Arlempdes |
| Arles | Arles |
| Arles-sur-Tech | Arles-sur-Tech |
| Arlet | Arlet |
| Arleuf | Arleuf |
| Arleux | Arleux |
| Arleux-en-Gohelle | Arleux-en-Gohelle |
| Arlington | Hrabstwo Arlington |
| Arlington National Cemetery | Narodowy Cmentarz w Arlington |
| Arlos | Arlos |
| arm | ramię |
| ARM-instructieset | Architektura ARM |
| Armageddon | Armageddon |
| Armagh | Armagh |
| Armagnac | Armagnac |
| Armaillé | Armaillé |
| Armancourt | Armancourt |
| Armand Assante | Armand Assante |
| Armand Fallières | Armand Fallières |
| Armand Van Helden | Armand van Helden |
| Armando Gonçalves Teixeira | Petit |
| Armando Guebuza | Armando Guebuza |
| Armatuur | Oprawa oświetleniowa |
| Armaucourt | Armaucourt |
| Armavir | Armawir |
| armband | bransoletka |
| Armboutskappel | Armbouts-Cappel |
| Armeau | Armeau |
| Armeen | Ormianie |
| Armeens | ormiański |
| Armeens alfabet | Alfabet ormiański |
| Armeens voetbalelftal | Reprezentacja Armenii w piłce nożnej |
| Armeens-apostolische Kerk | Apostolski Kościół Ormiański |
| Armeens-katholieke Kerk | Kościół katolicki obrządku ormiańskiego |
| Armeense | Armeńczyk |
| Armeense genocide | Rzeź Ormian |
| Armeense Socialistische Sovjetrepubliek | Armeńska Socjalistyczna Republika Radziecka |
| Armen Takhtajan | Armen Tachtadżian |
