Ta may refer to:

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 Airlines, 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