Posted in Government & Military, Information Technology, Organizations, Science DTaP stands for Diphtheria, Tetanus and Pertussis (vaccination) DTaP stands for Diphtheria Tetanus Acellular Pertussis (vaccine) DTAP stands for Developmental Test of Auditory Perception DTAP stands for Disabled Transition Assistance Program DTaP stands for Diphtheria & Tetanus Toxoids & Acellular Pertussis (vaccine) DTAP stands for Direct Transfer Application Part DTAP stands for Defense Technology Area Plan