Ross Township is one of sixteen townships in Franklin County, Iowa, United States. As of the 2010 census, its population was 303 and it contained 131 housing units.
Ross Township was organized in 1879. It was named for Abner S. Ross, an early settler.
As of the 2010 census, Ross Township covered an area of , all land.
The township contains Saint John Zion Cemetery and Way Side Cemetery.