Theodor Fitzau (10 February 1923 in Köthen, Germany (later East Germany) – 18 March 1982 in Groß-Gerau, West Germany) was a racing driver from East Germany. Generally a Formula Two racer, he participated in one World Championship Grand Prix, the 1953 German Grand Prix, driving an AFM owned by fellow driver Helmut Niedermayr. He retired from the race, scoring no championship points.