Encyclopedias, Almanacs, Transcripts, and Maps
- Axayacatl (c. 1449–1481)
- Axelrod, George
- Ayacucho, Battle of
- Ayala, Eligio (1880–1930)
- Ayala, Eusebio (1874–1942)
- Ayala, José de la Cruz (1854–1892)
- Ayan
- Aycinena Piñol, Juan José de (1792–1865)
- Aycinena, Juan Fermín de (1729–1796)
- Aycinena, Mariano de (1789–1855)
- Aycinena, Pedro de (1802–1897)
- Ayllu
- Aylwin Azócar, Patricio (1918–)
- Aymara (Language)
- Ayn, al-
- Ayn, Ras al-
- Ayolas, Juan de (1539?–?)
- Ayora Cueva, Isidro (1879–1978)
- Ayoreo
- Azande