| Bill Strannigan | |
| Birth Date: | December 1, 1918 |
| Birth Place: | Dalry, North Ayrshire, Scotland |
| Death Place: | Larimer County, Colorado, U.S. |
| Player Sport1: | Football |
| Player Years2: | 1940–1942 |
| Player Team2: | Wyoming |
| Player Sport3: | Basketball |
| Player Years4: | 1939–1942 |
| Player Team4: | Wyoming |
| Player Sport5: | Baseball |
| Player Years6: | 1940–1942 |
| Player Team6: | Wyoming |
| Coach Years1: | 1950–1954 |
| Coach Team1: | Colorado State |
| Coach Years2: | 1954–1959 |
| Coach Team2: | Iowa State |
| Coach Years3: | 1959–1973 |
| Coach Team3: | Wyoming |
| Overall Record: | 308–289 |
| Tournament Record: | NCAA: 0-4 NIT: 0-2 |
| Championships: | Basketball MSC (1954) 2× WAC (1967, 1969) |
| Awards: | Basketball WAC Coach of the Year (1967) |
William Matthew Strannigan (December 1, 1918 – September 7, 1997)[1] was an American college men's basketball coach . He was the head coach of Colorado State from 1950 to 1954, Iowa State from 1954 to 1959, and Wyoming from 1959 to 1973. He coached his teams to a 308-289 record, winning one Mountain States Conference championship, two Western Athletic Conference championships, two NCAA tournament appearances, and two NIT appearances. He played his college basketball at Wyoming. He was inducted into the Wyoming athletics Hall of Fame in 1994 and the Iowa State athletics Hall of Fame in 2005.[2] [3]