Iola Township is one of twelve townships in Allen County, Kansas, United States. As of the 2010 census, its population was 830.
Iola Township covers an area of and contains two incorporated settlements: Bassett and Iola (the county seat). According to the USGS, it contains three cemeteries: Highland, Iola and Iola.
The streams of Coon Creek, Deer Creek, Elm Creek and Rock Creek run through this township.
Iola Township contains three airports or landing strips: Allen County Airport, Allen County Hospital Airport and Womack Airport.