Rock Grove Township is one of twelve townships in Floyd County, Iowa, USA. At the 2000 census, its population was 1,849.
According to the United States Census Bureau, Rock Grove Township covers an area of of which {99.93 percent) is land and (0.07 percent) is water.
(This list is based on USGS data and may include former settlements.)
The township contains three cemeteries: Park, Rock Grove Township and Spring Grove.