The abbreviation stands for TDA:

  • TDA Armements, one of the French arms company Thales Group company, is a manufacturer of SNEB rocket
  • Télédiffusion d' Algérie, a radio station in Algeria
  • Thailand Diving Association, a CMAS belonging Thai Diving Association
  • Theater der Altmark, TdA
  • TOA Domestic Airlines, a former Japanese airline
  • Toluylenediamine, an intermediate in the plastics industry
  • TDA Lithuanian Police Battalion Forum, helpers in the Holocaust in Lithuania
  • Disambiguation
  • Abbreviation