Foster Township may refer to:
Foster Township, Randolph County, Arkansas, in Randolph County, Arkansas Foster Township, Madison County, Illinois Foster Township, Marion County, Illinois Foster Township, Michigan Foster Township, Big Stone County, Minnesota Foster Township, Faribault County, Minnesota Foster Township, Luzerne County, Pennsylvania Foster Township, McKean County, Pennsylvania Foster Township, Schuylkill County, Pennsylvania Foster Township, Beadle County, South Dakota, in Beadle County, South Dakota Foster Township, Hutchinson County, South Dakota, in Hutchinson County, South Dakota Foster Township, Perkins County, South Dakota, in Perkins County, South Dakota