Colonel David de Crespigny Smiley, LVO, OBE, MC & Bar (1916 - 2009) was a British special forces and intelligence officer. He fought in the Second World War in Palestine, Iraq, Persia, Syria, Western Desert and with Special Operations Executive (SOE) in Albania and Thailand.
He was Commander of the Sultan of Muscat and Oman's Armed Forces between 1958 and 1961.