Posted in Business & Finance, Information Technology, Organizations, Science DTCA stands for Direct-To-Consumer Advertising DTCA stands for Diphtérie, le Tétanos et la Coqueluche Acellulaire (French: Diphtheria, Tetanus and Acellular Pertussis) DTCA stands for Dutch Tax and Customs Administration (Netherlands) DTCA stands for Diabetes Treatment Centers of America (diabetes treatment network; various locations; now American Healthways) DTCA stands for Digital Temperature Control Amplifier (various companies) DTCA