Carl Robert Ditterich (born 10 October 1945) is a former Australian rules footballer who played for the St Kilda Football Club and Melbourne Football Club in the Victorian Football League (VFL). He also coached Melbourne for two years, as a playing coach. Ditterich, known as the "Blonde Bombshell", made an impressive debut as a 17-year-old for St Kilda against Melbourne in the opening round of the 1963 VFL season, with his speed, high leaping and endurance noted.