D14 may refer to: Vehicles Aircraft Dewoitine D.14, a French transport aircraft Fokker D.XIV, a Dutch fighter aircraft
Ships , a G- and H-class destroyer of the Royal Hellenic Navy , a Battle-class destroyer of the Royal Navy , an Avenger-class escort carrier of the Royal Navy
Other Allis-Chalmers D14, an American tractor Pennsylvania Railroad class D14, an American steam locomotive D14/4 Supreme, a BSA Bantam motorbike LNER Class D14, a class of British steam locomotives
Other uses D14 road (Croatia) D14, a bald eagle from the 2012 clutch of the Decorah Bald Eagles D14 series of Honda D engines