Culture or time period
- Araucanian2
- Arawak (Peru)91
- Arawak-speaking peoples162
- Archaic Era, Mesoamerica (ca. 3500–2000 BC)53
- Archaic Period of California (6000 BC–1000 AD)360
- Arctic cultures6,621
- Ardebil style (1000–500 BC)2
- Arecuna5
- Argead dynasty (808-310 BC)24
- Argentinean cultures3
- Argentinian2
- Arhuaco6
- Arikara5
- Aristé culture (600–1750 AD)13
- Armenians3
- Arrernte / Aranda people (C8)5
- Aruaun89
- Aruã Complex (ca. 1300–1500 AD)15
- Ashanti622
- Asian American4