Theodore "Ted" Dumitru (born Dumitru Teodorescu on 2 September 1939 in Bucharest, Romania) is a retired football manager who last worked as a technical director for Mamelodi Sundowns in the South African Premier Soccer League. He was the former coach of the South Africa national football team. Dumitru is one of a few coaches to have guided the 'big three' in South Africa Kaizer Chiefs, Sundowns and Orlando Pirates.