Soldier Township is a civil township in northeast Shawnee County, Kansas, United States. Elsewhere is Soldier Township, Jackson County, Kansas.
The Great Flood of 1844 covered the area deep.
The township was platted in April 1887.
In World War II, a local factory supplied the military, and then Goodyear Tire and Rubber Company bought it.
The modern township's government's main purpose is road maintenance and fire protection services. It is served by Seaman USD 345 school district in neighboring Topeka, Kansas.