William Amedeo Conterio (November 29, 1929 – August 9, 2017) was an American soccer midfielder.
He was a member of the United States soccer teams at the 1952 and 1956 Summer Olympics.
In high school, he earned nine varsity athletic letters in soccer, tennis, and wrestling.
He was voted Most Athletic by his classmates and was later inducted into the school's Sports Hall of Fame.
Nick plays as a goalkeeper for Carthage College, Andy as striker for the Marquette Golden Eagles, and the 1997-born twins, Mitch and Matt, for Rockford Raptors Soccer Club in Rockford, Illinois.