TA or ta may refer to:
Places
- Ta (island), Federated States of Micronesia
- Ta, Chiang Rai, Thailand
- Ta, Iran, Kordestan village
- Ta River, Virginia, US
- Province of Taranto, Italy
- Tel Aviv, Israel
People with the name
- Tạ, a Vietnamese surname (including a list of persons with the name)
- T.A. All Day, an American rapper
Arts, entertainment and media
Gaming
- Total Annihilation, a 1997 real-time strategy game
- TrueAchievements, a website to track Xbox player achievements
Music
- TA (album), 2002 album by the post-rock band Trans Am
- Ta, name of a note in the solfège scale
Newspapers
- Tages-Anzeiger, of Switzerland
- Telemarksavisa, of Norway
- Thüringer Allgemeine, of Germany
Other uses in arts and media
- TextAmerica, a moblog community photo website
- Third Age, a time period in J. R. R. Tolkien's Middle-earth
Business, finance and law
- TA Luft, a German air pollution regulation
- Technical analysis, method to forecast pricing from trading history
- Trading as, a term denoting a business using a name other its legal owner
Education
- Teaching assistant, someone who aids an educator with class instruction
- Paraprofessional educator, a qualified, paid assistant of compulsory-age pupils
Language
- Ta (cuneiform), a cuneiform sign
- Ta (Indic), a consonant in Brahmic writing systems
- Ṭa (Indic), another consonant in Brahmic scripts
- Ta (Javanese) (ꦠ), a letter of the Javanese script
- Ta (kana), the た or タ kana of Japanese
- Tāʾ ت or ṭāʾ ط, an Arabic letter
- Tamil language, spoken in South Asia (ISO 639-1:
ta)
Organizations
Companies
- TA Associates, a private equity firm based in Boston
- TACA Airlines, an international airline headquartered in San Salvador, El Salvador (IATA code TA)
- Travelcenters of America, a North American truck stop chain
- Triumph-Adler, a German office equipment manufacturer
Military
- Territorial Army (India), an Army Reserve
- Territorial Army (United Kingdom), now Army Reserve
Schools
- Takoma Academy, a private school in Takoma Park, Maryland, United States
- Talmudical Academy of Baltimore
- Thayer Academy, a private school in Braintree, Massachusetts, United States
- Tuscaloosa Academy, a private school in Tuscaloosa, Alabama, United States
Other organizations
- Telluride Association, an American non-profit for education programs
- Tennis Australia, an Australian sports governing body
- Transportation Alternatives, an advocacy NGO based in New York City
Science and technology
Biology, medicine and psychology
- Takayasu's arteritis
- Terminologia Anatomica, an international standard for human anatomical nomenclature
- Tibialis anterior muscle
- Transactional analysis, a psychoanalytic theory of psychology developed by psychiatrist Eric Berne during the late 1950s
- Transversus abdominis muscle
Physics and chemistry
- Tantalum, symbol Ta, a chemical element
- Teraampere, a multiple of the SI unit of electric current, the ampere
- Transient absorption spectroscopy, a type of time-resolved spectroscopy
Other uses in science and technology
- EMC TA, an American diesel-powered locomotive
- Technician or technical assistant, in laboratories
- Teraannum, a unit of time equal to 1012 years
- Terminal adapter, a device that connects a terminal computer to an ISDN network
- Thematic analysis, a research method in social and applied sciences
- Traffic announcement (radio data systems), a feature of radio data systems
- Traffic Advisory, a TCAS alert