William Fisher Lange (February 16, 1897 – June 22, 1953) was an American basketball and football player and coach.

During the 1922–23 season, he coached the Cleveland Rosenblums, an early professional basketball team that was known at the time as "the fastest basket ball aggregation in this part of the country.

He was best known for being the head coach of the North Carolina Tar Heels men's basketball team from 1939 through 1944.

The Rosenblums were an early professional basketball team that was known in 1923 as "the fastest basket ball aggregation in this part of the country.

[9] In September 1923, he was hired as the athletic director and head coach at Muskingum College in New Concord, Ohio.

Upon his hiring, one Ohio newspaper reported: "Lange is a young man of splendid character and has the initiative and ambition together with an attractive personality that make for success as an athletic director and coach.

[16] In July 1936, Lange left Muskingum to accept a position at the University of North Carolina at Chapel Hill as the Tar Heels football team's backfield coach and as an assistant professor of physical education.

He became the head coach of the North Carolina Tar Heels men's basketball team in 1939.

[17][18] In 1944, Lange left North Carolina to become the athletic director for Kenyon College in Gambier, Ohio.

[19][20] Lange also served as Kenyon's head football and basketball coach during the 1944–1945 school year.

[12] In his lone season as the basketball coach, the Kenyon Lords compiled one win—a 30–29 away game defeat of Kent State.