D38, D 38 or D-38 may refer to:
Ships , a Mato Grosso-class destroyer of the Brazilian Navy , a Perth-class destroyer of the Royal Australian Navy , a destroyer of the Royal Navy , a Ruler-class escort carrier of the Royal Navy
Other uses Akaflieg Darmstadt D-38, a German sailplane Cameron D-38, a British airship D38 road (Croatia) Depleted uranium D38, a 1980s Dicomed color workstation