| Bill Reigel | |
| Birth Place: | Monaca, Pennsylvania, U.S. |
| Player Years1: | 1952–1953 |
| Player Team1: | Duke |
| Player Years2: | 1954–1956 |
| Player Team2: | McNeese State |
| Player Positions: | Guard |
| Coach Years1: | 1971–1974 |
| Coach Team1: | McNeese State |
| Overall Record: | 55–20 (.733) |
| Awards: | NAIA tournament MVP (1956) |
William Ernest Reigel (May 3, 1932 – October 17, 1993) was an American basketball player and coach. He played college basketball at Duke University and McNeese State University, leading McNeese to the 1956 NAIA championship. Reigel went on to choose the Amateur Athletic Union over an offer from the NBA's Minneapolis Lakers. He earned AAU All-American honors four times.
Following his playing days, he coached at the high school level and was head coach for his alma mater, McNeese State, for three seasons, compiling a record of 55–20.[1]
He died on October 17, 1993.