| Aunat | Una River |
| Aunay-sur-Odon | Aunay-sur-Odon |
| Aung San | Aung San |
| Aung San Suu Kyi | Aung San Suu Kyi |
| Aunou-le-Faucon | Aunou-le-Faucon |
| Aups | Aups |
| Auquainville | Auquainville |
| aura | aura |
| Aura an der Saale | Aura an der Saale |
| Aura im Sinngrund | Aura im Sinngrund |
| Aurach | Aurach |
| Aurachtal | Aurachtal |
| Aurangzeb | Aurangzeb |
| Auray | Auray |
| Aurboda | Aurboða |
| Aureille | Aureille |
| Aurel Vlaicu International Airport | Aurel Vlaicu International Airport |
| Aurelia Cotta | Aurelia Cotta |
| Aurelia Tizon de Perón | Aurelia Tizón |
| Aureliaanse Muur | Aurelian Walls |
| Aurelianus | Aurelian |
| Aurelii | Aurelii |
| Aurelius | Aurelii |
| Aurelius Clemens Prudentius | Prudentius |
| Aurelius van Asturië | Aurelius of Asturias |
| Aurelius van Carthago | Saint Aurelius |
| Aurelius Victor | Aurelius Victor |
| Aurelle-Verlac | Oryol |
| aureool | aureole |
| Aureus | Aureus |
| Auriac | Aurillac |
| Auribeau | Auribeau |
| Aurich | Aurich |
| Aurichalciet | Aurichalcite |
| Auriculotherapie | Auriculotherapy |
| Auricupride | Auricupride |
| Aurignac | Aurignac |
| Aurignacien | Aurignacian |
| Aurigny Air Services | Aurigny Air Services |
| Aurillac | Aurillac |
| Aurimont | Aurimont |
| Aurin | Aurin |
| Aurland | Aurland |
| Aurons | Aurons |
| Aurora | Aurora |
| Aurora FC | Aurora FC |
| Aurora-astrilde | Red-winged Pytilia |
| Auroraceratops | Auroraceratops |
| Aurskog-Høland | Aurskog-Høland |
| Auschwitz | Auschwitz concentration camp |
| auscultatie | auscultation |
| Auslautverhärtung | Final obstruent devoicing |
| Ausleben | To act out |
| Auslese | Auslese |
| auspiciën | auspices |
| Ausserberg | Ausserberg |
| Ausserferrera | Ausserferrera |
| Aussois | Aussois |
| Aussos | Aussos |
| Aussurucq | Aussurucq |
| Aust-Agder | Aust-Agder |
| Austen Henry Layard | Austen Henry Layard |
| Auster | Taylorcraft Auster |
| Austevoll | Austevoll |
| Austin Motor Company | Austin Motor Company |
| Austin Powers | Austin Powers series |
| Austra Skujyte | Austra Skujytė |
| Australaziatisch gebied | Australasia ecozone |
