| Jack Gillespie | |
| Height Ft: | 6 |
| Height In: | 6 |
| Weight Lb: | 215 |
| Nationality: | American |
| Birth Date: | 1 October 1947 |
| High School: | Great Falls (Great Falls, Montana) |
| College: | Montana State (1966–1969) |
| Draft Year: | 1969 |
| Draft Round: | 12 |
| Draft Pick: | 166 |
| Draft Team: | Los Angeles Lakers |
| Career Position: | Forward |
| Career Number: | 11 |
| Years1: | 1969 |
| Team1: | New York Nets |
| Bbr: | gilleja01 |
Jack A. Gillespie (born October 1, 1947) is a retired professional basketball forward who played one season in the American Basketball Association (ABA) as a member of the New York Nets during the 1969–70 season.
He graduated from Great Falls High School in Great Falls, Montana, where he led the team to a Montana High School Basketball Championship in 1964.[1] He attended Montana State University where he finished his college career as the school's all-time leader in rebounds (1,011) and points (1,543) along with two Big Sky Conference Player of the Year awards. Gellespie went on to be inducted into the Montana State Bobcats' Hall of Fame.[2]
He was selected in the 12 (166 pick overall) round of the 1969 NBA draft by the Los Angeles Lakers, but never signed.
In 1999, Sports Illustrated ranked him forty-seventh in a list of Montana's 50 greatest athletes of all time.[3] The Great Falls Tribune newspaper in 2014 listed him as one of the top four athletes to play high school basketball in the city.[4]