The Shawnee County Board of Commissioners is a three-person elected body that has overall responsibility for county government, setting policy and performing executive and legislative functions.

Commissioners serve four year terms, with two of the three commissioners being elected in the same year, and the other commissioner elected two years later. Commission terms begin the second Monday in January after the election.

The Board meets at 9 a.m. Mondays and Thursdays at the Shawnee County Courthouse, 707 SE Quincy Street, Topeka, KS . The Board of County Commissioners is the only locally elected body which is representative of all citizens of Shawnee County regardless of their residence inside or outside of city boundaries.