D27 may refer to:

Ships , a Gearing-class destroyer of the Argentine Navy , a Pará-class destroyer of the Brazilian Navy , a Garcia-class destroyer of the Brazilian Navy , an escort carrier briefly commissioned into the Royal Navy , a W-class destroyer of the Royal Navy

Other uses D27 road (Croatia) Dewoitine D.27, a French monoplane fighter aircraft GER Class D27, a class of steam locomotives Progress D-27, a Ukrainian propfan engine VL D.27 Haukka II, a Finnish fighter aircraft LNER Class D27, a class of British steam locomotives GER Class D27, a class of British steam locomotives