| Jack Spencer | |
| Birth Date: | 25 April 1923 |
| Birth Place: | Davenport, Iowa, U.S. |
| Death Place: | Davenport, Iowa, U.S. |
| Player Years1: | 1943–1948 |
| Player Team1: | Iowa |
| Player Years2: | 1948–1949 |
| Player Team2: | Waterloo Hawks |
| Player Positions: | Forward |
| Coach Years1: | 1949–1950 |
| Coach Team1: | Iowa (assistant) |
| Coach Years2: | 1954–1959 |
| Coach Years3: | 1959–1972 |
| Coach Team3: | Nevada |
| Coach Years4: | 1972–1988 |
| Coach Team4: | Nevada (assistant) |
| Overall Record: | 123–199 |
| Championships: | 3× Far West (1961, 1963, 1966) |
Jackson Masten Spencer Jr. (April 25, 1923 – June 15, 2004) was an American college basketball coach. He was the head coach at Iowa Wesleyan University from 1954 to 1959 and at the University of Nevada, Reno from 1959 to 1972.[1] [2]
He died of chronic obstructive pulmonary disease on June 15, 2004, in Davenport, Iowa at age 81.[3]