Ta may refer to:
- Tāʾ, the sixteenth letter of the Arabic alphabet
- Ta (kana), the た or タ kana in the Japanese language
- Tạ, a Vietnamese surname
- Ta River, a river in Virginia, USA
- Ta, Chiang Rai, an administrative division of Khun Tan District, Thailand
Ta as a symbol may refer to:
- Tantalum, a chemical element with the symbol Ta and atomic number 73
- Teraannum, a unit of time equal to 1012 years
- ISO 639-1 language code for the Tamil language
- TACA, an international airline headquartered in San Salvador, El Salvador whose IATA two letter code is TA.
- Tera-ampere or terampere, an SI unit of electric current, 1012 Ampere