William Barner Lienhard (January 14, 1930 – February 8, 2022) was an American basketball player who competed in the 1952 Summer Olympics.

He went to college at the University of Kansas, where he was a member of the 1952 NCAA Champion basketball team.

He was then part of the American Olympic basketball team, which won the gold medal.

After the Olympics, he joined the Air Force, where he continued to play basketball.

Upon leaving the Air Force, he retired from the sport and lived as a banker in Kansas.