John Dittrich was a player in the National Football League and American Football League for the Chicago Cardinals, Green Bay Packers, Oakland Raiders, and the Buffalo Bills as a guard. He played at the collegiate level at the University of Wisconsin–Madison.
Although John was born in Sheboygan, WI, his family later moved to Cudahy, a suburb of Milwaukee. John attended Cudahy High School and the University of Wisconsin-Madison.
John was drafted in 1956 in Round 6, Pick 9 (70 overall) by the Chicago Cardinals. He played 12 games that season. In 1959 he played for the Green Bay Packers, and played 12 games that season. In 1960 he played for the Oakland Raiders in 11 games, and in 1961 he played at 12 games at Buffalo.
He died in Contra Costa, CA in 1995.