| Gary Cammack | |
| Office: | Majority Leader of the South Dakota Senate |
| Term Start: | January 12, 2021 |
| Term End: | January 10, 2023 |
| Predecessor: | Kris Langer |
| Successor: | Casey Crabtree |
| State Senate1: | South Dakota |
| District1: | 29th |
| Term Start1: | January 2015 |
| Term End1: | January 10, 2023 |
| Predecessor1: | Larry Rhoden |
| Successor1: | Dean Wink |
| State House2: | South Dakota |
| District2: | 29th |
| Alongside2: | Dean Wink |
| Term Start2: | January 11, 2013 |
| Term End2: | January 2015 |
| Predecessor2: | Thomas J. Brunner |
| Successor2: | Thomas J. Brunner |
| Birth Date: | 9 June 1953 |
| Birth Place: | Union Center, South Dakota, U.S. |
| Party: | Republican |
Gary L. Cammack[1] (born June 9, 1953) is an American politician and a Republican member of the South Dakota House of Representatives representing District 29 since January 11, 2013.[2]
2012 When incumbent Republican Representative Thomas J. Brunner was term limited and left the Legislature and left a District 29 seat open, Cammack ran in the three-way June 5, 2012 Republican Primary and placed first with 1,450 votes (43.8%); Cammack and incumbent Republican Representative Dean Wink were unopposed for the November 6, 2012 General election, where Cammack took the first seat with 5,991 votes (55.40%) and Representative Wink took the second seat.[3]