| William L. Driver | |
| Birth Date: | 7 November 1883 |
| Birth Place: | Missouri, U.S. |
| Death Place: | Tulare County, California, U.S. |
| Player Sport1: | Football |
| Player Years2: | 1906–1908 |
| Player Team2: | Missouri |
| Player Sport3: | Basketball |
| Player Years4: | 1906–1908 |
| Player Team4: | Missouri |
| Player Positions: | End (football) |
| Coach Sport1: | Football |
| Coach Years2: | 1911–1912 |
| Coach Team2: | Washburn |
| Coach Years3: | 1913–1914 |
| Coach Team3: | Ole Miss |
| Coach Years4: | 1920–1921 |
| Coach Team4: | TCU |
| Coach Years5: | 1923–1927 |
| Coach Team5: | Cal Aggies |
| Coach Years6: | 1929 |
| Coach Team6: | Loyola (CA) |
| Coach Sport7: | Basketball |
| Coach Years8: | 1917–1920 |
| Coach Team8: | Texas A&M |
| Coach Years9: | 1920–1922 |
| Coach Team9: | TCU |
| Coach Years10: | 1923–1927 |
| Coach Team10: | Cal Aggies |
| Admin Years1: | 1910–1913 |
| Admin Team1: | Washburn |
| Admin Years2: | 1913–1915 |
| Admin Team2: | Ole Miss |
| Admin Years3: | 1915–1919 |
| Admin Team3: | Texas A&M |
| Admin Years4: | 1920–1922 |
| Admin Team4: | TCU |
| Overall Record: | 58–45–7 (football) 67–56 (basketball) |
| Bowl Record: | 0–1 |
| Championships: | Football 1 TIAA (1920) Basketball 1 SWC (1920) |
William Lloyd Driver (November 7, 1883 – November 29, 1941) was an American college football and college basketball coach. He served as the head football coach at Washburn University from 1911 to 1912, at the University of Mississippi (Ole Miss) from 1913 to 1914, at Texas Christian University (TCU) from 1920 to 1921, at the Northern Branch of the College of Agriculture—now University of California, Davis—from 1923 to 1927, and at Loyola College of Los Angeles—now Loyola Marymount University—in 1929, compiling a career college football record of 58–45–7. Driver was also the head basketball coach at Texas A&M University, TCU, and Cal Aggies, tallying a career college basketball mark of 67–56.
Driver was born in Missouri in 1883. He died in California in 1941.
At Washburn, Driver was the 12th head football coach and athletic director; he held that position for two seasons, from 1911 until 1912. His overall coaching record was 8–8–1. This ranks him 17th in terms of total wins and 19th in terms of winning percentage.[1]
From 1913 to 1914, he coached at Mississippi, where he compiled an 11–7–2 record. From 1920 to 1921, he coached at TCU, where he compiled a 15–4–1 season. That total included a 9–1 season in 1920. From 1923 to 1927, he coached at UC Davis and compiled an 18–23–3 record.
Between 1917 and 1920 he coached basketball at Texas A&M where he compiled an overall record of 42–13. In 1919–20, his team won the Southwest Conference championship.