BA, Ba, or ba may refer to:

Businesses and organizations

* Bangladesh Army * Bibliotheca Alexandrina, an Egyptian library and cultural center * Boeing (NYSE stock symbol BA) *

Booksellers Association of the UK and Ireland The Booksellers Association of the UK and Ireland (BA) is a trade body founded to promote retail bookselling in the United Kingdom and Republic of Ireland, Ireland. It operates the National Book Tokens, National Book Token scheme in the UK and spons ...

Boston Acoustics Boston Acoustics was an American manufacturer of home and mobile audio equipment founded in 1979. The company produced speakers for home, custom/architectural, and car audio. History Advent veterans Andy Kotsatos (known as Andy Pettit) and Fran ...

, an audio equipment manufacturer * Boston and Albany Railroad (reporting mark BA) *

British Aircraft Manufacturing The British Aircraft Manufacturing Company Limited (formerly the British Klemm Aeroplane Company) was a 1930s British aircraft manufacturer based at London Air Park, Hanworth, Middlesex, England. History The German aircraft manufacturer Klemm d ...

* British Airways (IATA airline code BA) *

British-American Oil Gulf Canada was a Canadian integrated petroleum company that existed between 1944 and 2001. Gulf Oil, Gulf Oil Corporation began operating in Canada in 1942, and two years later formed a Canadian subsidiary called the Canadian Gulf Oil Company. In ...

, a Canadian petroleum company *

British Association for the Advancement of Science The British Science Association (BSA) is a charity and learned society founded in 1831 to aid in the promotion and development of science. Until 2009 it was known as the British Association for the Advancement of Science (BA). The current Chie ...

* The Nottingham Bluecoat Academy, a Church of England secondary school in Nottingham, England * Selskap med begrenset ansvar, a type of Norwegian company with limited liability * Bundesagentur für Arbeit, Federal Employment Agency of Germany

Languages

Bashkir language Bashkir (, ; Bashkir: ''Bashqortsa'', ''Bashqort tele'', ) is a Turkic language belonging to the Kipchak branch. It is co-official with Russian in Bashkortostan. It is spoken by approximately 1.4 million native speakers in Russia, as well as i ...

(ISO 639 alpha-2 language code BA) * Ba (Javanese) (ꦧ), a letter in the Javanese script * Baa language, a Niger-Congo language *

Aka-Bo language The Bo language, ''Aka-Bo'' (also known as ''Ba''), was a Great Andamanese language. It was spoken on the west central coast of North AndamanRadcliffe-Brown, Alfred R. (1922). ''The Andaman Islanders''. Cambridge: Cambridge University Press. and ...

, an Indian language, also known as ''Ba'' * Arabic letter ب, named '

Names

* Ba (given name) *

Ba (surname) Ba, Bâ, and Bah are potentially related West African surnames, usually of Fula origin. In the Fula culture of Mali and Senegal, the surname Diakité is considered equivalent. Ba * Adame Ba Konaré (born 1947), a Malian Historian and former firs ...

, common West African surname

Places

The Americas

* The Bahamas (WMO country code BA) *

State of Bahia Bahia ( , , ; meaning "bay") is one of the 26 states of Brazil, located in the Northeast Region of the country. It is the fourth-largest Brazilian state by population (after São Paulo, Minas Gerais, and Rio de Janeiro) and the 5th-largest by ...

, Brazil (ISO 3166-2:BR code) * Barber County, Kansas, United States (state county code) * Buenos Aires, Argentina

Asia

* Ba (state), a Chinese vassal state during the Zhou Dynasty (1045–256 BCE) * Ba, a village in Tha Tum, Surin Province, Thailand * Ba River (China) * Bahrain (FIPS 10-4 country code) * Bandra railway station (railway code) * Tongde County ("Ba" in Tibetan), Hainan Tibetan Autonomous Prefecture, China

Europe

* BA postcode area, UK, the Bath postcode area in south west England * Ba (Ljig), village in Serbia *

Bad Aussee Bad Aussee (Central Bavarian: ''Bod Ossee'') is a town in the Austrian state of Styria, located at the confluence of the three sources of the Traun River in the Ausseerland region. Bad Aussee serves as the economic and cultural center of the Styri ...

, Austria (vehicle registration code BA) *

Bamberg Bamberg (, , ; East Franconian: ''Bambärch'') is a town in Upper Franconia, Germany, on the river Regnitz close to its confluence with the river Main. The town dates back to the 9th century, when its name was derived from the nearby ' castle. C ...

, Germany (vehicle registration code BA) * Province of Bari, Italy (ISO 3166-2:IT code and vehicle registration code BA) * Berane, Montenegro (vehicle registration code BA) * Bosnia and Herzegovina's ISO 2-letter country code **

.ba .ba is the Internet country code top-level domain (ccTLD) for Bosnia and Herzegovina Bosnia and Herzegovina ( sh, / , ), abbreviated BiH () or B&H, sometimes called Bosnia–Herzegovina and often known informally as Bosnia, is a countr ...

, the top-level domain for Bosnia and Herzegovina *

Bratislava Bratislava (, also ; ; german: Preßburg/Pressburg ; hu, Pozsony) is the Capital city, capital and largest city of Slovakia. Officially, the population of the city is about 475,000; however, it is estimated to be more than 660,000 — approxim ...

, Slovakia

Fiji

* Ba (town), a town in Fiji * Ba (Open Constituency, Fiji) *

Ba District, Fiji Ba is a district situated on the north western part of the island of Viti Levu in Fiji. The name Ba is also used for a province, a ''tikina'' (a native Fijian administrative region comprising several villages), a town and a river. Ba district c ...

, an administrative district in Fiji * Ba Province, Fiji *

Ba River (Fiji) The Ba River is located in the island of Viti Levu in Fiji Fiji ( , ,; fj, Viti, ; Fiji Hindi: फ़िजी, ''Fijī''), officially the Republic of Fiji, is an island country in Melanesia, part of Oceania in the South Pacific Ocean. It ...

Science

Barium Barium is a chemical element with the symbol Ba and atomic number 56. It is the fifth element in group 2 and is a soft, silvery alkaline earth metal. Because of its high chemical reactivity, barium is never found in nature as a free element. Th ...

, symbol Ba, a chemical element *

Barye The barye (symbol: Ba), or sometimes barad, barrie, bary, baryd, baryed, or barie, is the centimetre–gram–second (CGS) unit of pressure. It is equal to 1 dyne per square centimetre. : = = = = = See also *Pasca ...

, a measurement unit of pressure * Benzylamine, an organic chemical compound * 6-Benzylaminopurine, plant hormone * Blood Alcohol content *

β amyloid Amyloid beta (Aβ or Abeta) denotes peptides of 36–43 amino acids that are the main component of the amyloid plaques found in the brains of people with Alzheimer's disease. The peptides derive from the amyloid precursor protein (APP), which is ...

, peptides of several amino acids that are involved in Alzheimer's disease * ''Ba'', a genus of land snails in the family Charopidae, with one species '' Ba humbugi'' * Brodmann area, region of cerebral cortex defined based on its cytoarchitectonics * BA, designation for sublineages of the SARS-CoV-2 Omicron variant

Sport

Ba F.C. Ba Football Club is a Fijian football club based in Ba that competes in the Fiji Premier League, the top flight of professional Fijian football. The club was founded in 1935. The club's home ground is the Govind Park. Ba Football Club have ...

* Ba game, a version of medieval football played in Scotland * Basketball Australia * Batting average, a statistic in cricket and baseball * Bowls Australia

Technology

Badass (bridges) Badass was first trademarked by Leo Quan, a manufacturer of bridges for guitars and basses. Badass bridges (used on the Martin EB18 electric bass and a replacement bridge on the Fender Precision Bass) feature individually adjustable saddles, ...

, a guitar bridge trade name of Leo Quan * Balanced armature, a type of headphone technology *

Breathing apparatus (disambiguation) A breathing set or breathing apparatus is equipment which allows a person to breathe in a hostile environment where breathing would otherwise be impossible or hazardous, and may refer to: *Scuba set, any breathing set that is carried entirely ...

, equipment which allows a person to breathe in a hostile environment * British Association screw threads, a largely obsolete standard for small screw threads * Buoyancy aid, a personal flotation device * Ford BA Falcon, an Australian car * NZR B^A class, a steam locomotive classification used by the New Zealand Railways Department

Other uses

* BA, dominical letter for a leap year starting on Saturday * Ba or bꜣ, "personality", an Ancient Egyptian concept of the soul or spirit * Ba, white dove used for religious sacrifices in Mandaeism * Ba (pharaoh), or Horus Ba, a very early pharaoh who might have reigned in the First Dynasty of Egypt * B. A. Baracus, a fictional character on the television series ''The A-Team'' * Bachelor of Arts, an academic degree * Beerenauslese, a German late-harvest wine *

Business agent (labor) A business agent is a title, used in some labor unions, for a leading representative of a local union. It is commonly a paid, full-time position. It can be abbreviated B.A. The duties of a business agent may vary greatly from union to union, but in ...

, a position in some local trade unions *

Business analyst A business analyst (BA) is a person who processes, interprets and documents business processes, products, services and software through analysis of data. The role of a business analyst is to ensure business efficiency increases through their know ...

* Business architecture * Ya ba, tablets containing a mixture of methamphetamine and caffeine