Encyclopedias, Almanacs, Transcripts, and Maps
- Analyticity
- Anambé
- Anarchism and Anarchosyndicalism
- Anavil Brahman
- Anaxagoras of Clazomenae (c. 500–428 BCE)
- Anaximander (c. 610 BCE–After 546 BCE)
- Anaximenes (6th Century BCE)
- Anaya, Pedro María de (1794–1854)
- Anaya, Rudolfo (1937–)
- Ancash
- Anchieta, José de (1534–1597)
- Anchorena, Tomás Manuel de (1773–1847)
- Ancient Aesthetics
- Ancient Logic
- Ancient Skepticism
- Ancón, Treaty of (1883)
- Andagoya, Pascual de (1495–1548)
- Andamanese
- Andamanese
- Andean Pact