'''DTAP''' may refer to: * DTaP, a vaccine for <u>d</u>iphtheria, <u>t</u>etanus and <u>a</u>cellular <u>p</u>ertussis * DTAP, a software development approach * Direct Transfer Application Part (DTAP), a radio telecommunication protocol for GSM or CDMA * Direct internet TAP * {{ill|DTAP (Vietnamese musicians)|lt=DTAP|vi|DTAP}}, a three-person group of Vietnamese musicians and record producers {{dab}}