| Official Name: | Blue Ridge Township |
| Settlement Type: | Township |
| Image Map1: | Map of Illinois highlighting Piatt County.svg |
| Mapsize1: | 150px |
| Map Caption1: | Piatt County's location in Illinois |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Piatt |
| Established Title: | Established |
| Established Date: | November 8, 1859 |
| Area Total Sq Mi: | 63.71 |
| Area Land Sq Mi: | 63.65 |
| Area Water Sq Mi: | 0.06 |
| Area Water Percent: | 0.09 |
| Population As Of: | 2010 |
| Population Density Sq Mi: | 23.3 |
| Elevation M: | 222 |
| Elevation Ft: | 728 |
| Coordinates: | 40.2217°N -88.545°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Blank Name: | FIPS code |
| Blank Info: | 17-147-06808 |
| Pop Est As Of: | 2016 |
| Pop Est Footnotes: | [1] |
| Population Est: | 1445 |
| Unit Pref: | Imperial |
Blue Ridge Township is a township in Piatt County, Illinois, USA. As of the 2010 census, its population was 1,480 and it contained 641 housing units.[2]
According to the 2010 census, the township has a total area of, of which (or 99.91%) is land and (or 0.09%) is water.[2]
The township contains three cemeteries: Blue Ridge, Dunkard and Mansfield.