Mark Johnston | |
|---|---|
| Member of the South Dakota Senate from the 12th district | |
| In office 2011 – May 31, 2013 | |
| Preceded by | Sandy Jerstad |
| Succeeded by | Blake Curd |
| Personal details | |
| Born | September 21, 1962 Sioux City, Iowa, U.S. |
| Political party | Republican |
| Spouse | Julie |
| Children | 2 |
| Residence | Sioux Falls, South Dakota |
John Mark Johnston (born September 21, 1962) is an American former politician. He served in the South Dakota Senate from 2011 to 2013.[1][2]