| Unit Pref: | Imperial |
| Settlement Type: | Township |
| Official Name: | Rock Island Township |
| Image Blank Emblem: | Logo of Rock Island Township, Rock Island County, Illinois.png |
| Blank Emblem Type: | Logo |
| Image Map1: | Map of Illinois highlighting Rock Island County.svg |
| Mapsize1: | 150px |
| Map Caption1: | Rock Island County's location in Illinois |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Rock Island |
| Leader Title: | Supervisor |
| Leader Name: | Alan Carmen |
| Established Title: | Established |
| Established Date: | November 4, 1856 |
| Area Total Sq Mi: | 5.74 |
| Area Land Sq Mi: | 4.84 |
| Area Water Sq Mi: | 0.9 |
| Area Water Percent: | 15.68 |
| Population As Of: | 2010 |
| Population Density Sq Mi: | 3670 |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Pop Est As Of: | 2016 |
| Pop Est Footnotes: | [1] |
| Population Est: | 17435 |
| Blank Name: | FIPS code |
| Blank Info: | 17-161-65091 |
Rock Island Township is located in Rock Island County, Illinois. As of the 2010 census, its population was 17,776 and it contained 7,271 housing units.[2]
According to the 2010 census, the township has a total area of, of which (or 84.32%) is land and (or 15.68%) is water.[2]