Lloyd Mandeno OBE (3 October 1888 – 30 December 1973) was a New Zealand electrical engineer, inventor and local politician. He was born in Rangiaowhia, Waikato, New Zealand, on 3 October 1888. He is credited with nine hydroelectric installations and numerous inventions. He served on electric power boards, regional councils and as a deputy mayor. From 1931 to 1956, Mandeno was on the One Tree Hill Borough Council. He was deputy mayor from 1944 to 1956. In the 1965 Queen's Birthday Honours, Mandeno was appointed an Officer of the Order of the British Empire, for services to engineering.