BA
BA or variants may refer to:
- Bachelor of Arts, an academic degree
 
Businesses and organizations
- The New York Stock Exchange abbreviation for Boeing
 - Bibliotheca Alexandrina, a library and cultural center in Egypt
 - Booksellers Association of the UK and Ireland
 - British Academy
 - British Airways, a British airline
 - British Association for the Advancement of Science, now British Science Association
 - Bundesagentur für Arbeit, Federal Employment Agency of Germany
 - Selskap med begrenset ansvar, a type of Norwegian company with limited liability
 - Brewers Association, trade group in the United States
 
Languages
- Aka-Bo language, an Indian language, also known as Ba
 - Bashkir language, ISO 639-1 language code ba
 - Ba (cuneiform), a sign in cuneiform texts
 - Ba (Indic), in Indic abugidas
 - Ba (Javanese) (ꦧ), in the Javanese script
 - Ba (Mongolic), in alphabets used to write Mongolic and Tungusic languages
 - Arabic letter ب, named باء bāʾ
 - bǎ construction, in Chinese
 
People
- Ba (given name), in Myanmar and ancient China
 - Ba (surname), a West African surname
 - Ba (pharaoh), an early Egyptian or ancient Egyptian king
 
Places
The Americas
- Buenos Aires, Argentina
 - The Bahamas, WMO country code
 
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
- BA postcode area, Bath, England
 - Ba (Ljig), Serbia
- Ba Congress, 1944
 
 - Bosnia and Herzegovina, ISO-3166 country code BA
- .ba, the top-level domain for Bosnia and Herzegovina
 
 
Oceania
Science and technology
- Ba (genus), land snails
 - ba space, in mathematics
 - Barium, chemical symbol Ba
 - Barye, a measurement unit of pressure
 - 6-Benzylaminopurine, plant hormone
 - BA, sublineages of the SARS-CoV-2 Omicron variant
 - British Association screw threads, a set of small screw threads
 
Sport
- Ba F.C., a Fijian football club
 - Ba game, a version of medieval football played in Scotland
 - Basketball Australia, promoting basketball in Australia
 - Batting average, a statistic in cricket and baseball
 - Bowls Australia, a governing body
 - Kirkwall Ba Game, or The Ba', annual event in Orkney, Scotland
 
Transportation
- Ford Falcon (BA), an Australian car
 - NZR BA class, a New Zealand steam locomotive classification
 
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
- Ba River (disambiguation)
 - BAA (disambiguation)
 - Bah humbug (disambiguation)
 - Loch Bà (disambiguation)
 - Ya ba, drug containing methamphetamine and caffeine
 - Boston and Albany Railroad, reporting mark B&A