| Pres Slack | |
| Position: | Forward / center |
| Height Ft: | 6 |
| Height In: | 2 |
| Weight Lb: | 180 |
| Birth Date: | 28 December 1908 |
| Birth Place: | Wisconsin |
| Death Place: | Orange, California |
| Nationality: | American |
| High School: | Central (Fort Wayne, Indiana) |
| Years1: | 1937–1938 |
| Team1: | Fort Wayne General Electrics |
| Years2: | 1938–1939 |
| Team2: | Sheboygan Red Skins |
Preston Webb Slack (December 28, 1908 – January 25, 1993) was an American professional basketball player.[1] [2] He played in the National Basketball League for the Fort Wayne General Electrics in 1937–38 and the Sheboygan Red Skins in 1938–39.[2] In his 23-game NBL career, Slack averaged 4.3 points per game.[2]