BA or variants may refer to:
Businesses and organizations
Languages
People
Places
The Americas
Asia
- Ba (state), an ancient state in eastern Sichuan, China
- Ba River (China)
- Ba River (Vietnam)
- Bandra railway station, Indian Railways code BA
- Ba'a, Rote, Indonesia
- Bahrain, obsolete NATO, FIPS and LOC MARC country code
- Banan District, Chongqing, China, formerly Ba County
- Bazhou, Hebei, China, formerly Ba County
Europe
Oceania
Science and technology
Sport
Transportation
Other uses
- BA, dominical letter for a leap year starting on Saturday
- Ba (soul), an Ancient Egyptian concept of the soul or spirit
- Ba. (band), a Lithuanian rock band
- "B.A." Baracus, a fictional character in TV series The A-Team
- Beerenauslese, or BA, a German late-harvest wine
- Business agent (labor), a position in some local trade unions
- Business analyst, one who processes, interprets and documents business processes
- Blue Archive, a game developed by NEXON
See also