William J. Riley (October 6, 1921 in Medford, Massachusetts – February 16, 2000) was an ice hockey player.
Riley helped lead Dartmouth College to two Frozen Fours during his career.
He was inducted into the United States Hockey Hall of Fame in 1977.
His brothers John and Joe are also in the USHOF.
This biographical article relating to an American ice hockey player is a stub.