Lieutenant Commander John Bryan Peter Duppa-Miller, GC (22 May 1903 – 15 December 1994), born John Bryan Peter Miller, was a Royal Navy officer who was awarded the George Cross for his "great gallantry and undaunted devotion to duty" in bomb disposal work during the Blitz of late 1940. He was attached to HMS Vernon and rendered safe many unexploded devices safe, including several parachute mines that fell onto the bank of the River Roding in Essex.