John Drew MacKenzie (10 April 1861 – 22 July 1918) was a British master craftsman and instructor of the Newlyn Copper school in Cornwall, England. His style is described as arts and crafts/art nouveau. Mackenzie was born in Shanghai, China, and educated at Clifton College. He is credited with being the instigator of the Newlyn Copper industry. Mackenzie died in the Norfolk War Hospital in Norwich on 22 July 1918, suffering from influenza and pneumonia.