Rocky Run Township was a township in Hancock County, Illinois, USA. As of the 2010 census, its population was 158 and it contained 60 housing units. In November 2016, the township voted to merge with Wilcox Township due to low population. It is now part of Rocky Run-Wilcox Township.
According to the 2010 census, the township has a total area of , of which (or 92.00%) is land and (or 8.00%) is water.
The township contains these four cemeteries: Crenshaw, Fletcher, Mount Vernon Missionary Baptist and Oak Valley Missionary. Daugherty