BA

B.A. or BA is an initialism standing for the Bachelor of Arts degree, a tertiary qualification.

B.A., BA, Ba, or ba may refer to:

Businesses and organizations[edit]

BAE Systems (LSE stock symbol BA)
Bangladesh Army
Bibliotheca Alexandrina, an Egyptian library and cultural center
Boeing (NYSE stock symbol BA)
Booksellers Association of the UK and Ireland
Boston Acoustics, an audio equipment manufacturer
Boston and Albany Railroad (reporting mark BA)
British Airways (IATA airline code BA)
British Association for the Advancement of Science
Selskap med begrenset ansvar, a type of Norwegian company with limited liability
Bundesagentur für Arbeit, Federal Employment Agency of Germany

BA postcode area, UK, the Bath postcode area in south west England
Ba (Ljig), village in Serbia
Bad Aussee, Austria (vehicle registration code BA)
Bamberg, 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, the top-level domain for Bosnia and Herzegovina
Bratislava, Slovakia

Barium, symbol Ba, a chemical element
Barye, a measurement unit of pressure
Benzylamine, an organic chemical compound
6-Benzylaminopurine, plant hormone
Blood Alcohol content
β amyloid, 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

Badass (bridges), a guitar bridge trade name of Leo Quan
Balanced armature, a type of headphone technology
Breathing apparatus (disambiguation), 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

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
Beerenauslese, a German late-harvest wine
Business agent (labor), a position in some local trade unions
Business analyst
Business architecture
Ya ba, tablets containing a mixture of methamphetamine and caffeine