| Jack Jackson Sr. | |
| Office: | Member of the Arizona Senate |
| Term Start: | 1998 |
| Term End: | 2004 |
| Office2: | Member of the Arizona House of Representatives |
| Term Start2: | 1985 |
| Term End2: | 1998 |
| Birth Date: | 14 September 1933 |
| Birth Place: | Leupp, Arizona, United States |
| Residence: | Window Rock, Arizona |
| Party: | Democrat |
| Spouse: | Eloise |
| Occupation: | Educator, rancher |
Jack C. Jackson Sr. (September 14, 1933 – March 5, 2023) was an American politician who served in the Arizona Senate and Arizona House of Representatives. He was a Navajo.[1] [2] He was the father of Jack Jackson Jr., also a state politician in Arizona.
Jackson died on March 5, 2023,[3] at the age of 89.