John Mark Johnston (born September 21, 1962) is an American former politician. He served in the
South Dakota Senate
The South Dakota Senate is the upper house of the South Dakota Legislature. It consists of 35 members, one representing each legislative district. It meets at the South Dakota State Capitol in Pierre.
Composition
:''99th Legislature (2025)' ...
from 2011 to 2013.
References
{{DEFAULTSORT:Johnston, J. Mark
1962 births
Living people
Republican Party South Dakota state senators
21st-century members of the South Dakota Legislature