| Jack McGuire | |
| State House: | Illinois |
| State: | Illinois |
| District: | 86th |
| Term: | 1990–2012 |
| Preceded: | LeRoy Van Duyne[1] |
| Succeeded: | Lawrence M. Walsh, Jr. |
| Birth Date: | 12 May 1933 |
| Birth Place: | Joliet, Illinois, U.S. |
| Death Place: | Illinois, U.S. |
| Spouse: | Marilyn (Miller) McGuire |
| Profession: | Educator, Politician |
| Party: | Democratic |
John C. McGuire (May 12, 1933 – January 2, 2020) was an American politician.
McGuire served as a Democratic member of the Illinois House of Representatives, representing the 86th District from 1990 until his resignation in April 2012. McGuire was born in Joliet, Illinois and graduated from Joliet Catholic High School in 1951. He served in the United States Army during the Korean War and was stationed in Germany. McGuire went to Joliet Junior College and graduated from Colorado State College in 1958.[2] [3]