| Unit Pref: | Imperial |
| Settlement Type: | Township |
| Official Name: | Oregon-Nashua Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Ogle |
| Leader Title: | Supervisor |
| Leader Name: | Sharon Bowers |
| Area Total Sq Mi: | 39.67 |
| Area Land Sq Mi: | 38.44 |
| Area Water Sq Mi: | 1.23 |
| Area Water Percent: | 3.10 |
| Population As Of: | 2010 |
| Population Density Sq Mi: | 127.7 |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Pop Est As Of: | 2016 |
| Pop Est Footnotes: | [1] |
| Population Est: | 4686 |
| Blank Name: | FIPS code |
| Blank Info: | 17-141-56504 |
Oregon-Nashua Township is located in Ogle County, Illinois. As of the 2010 census, its population was 4,909 and it contained 2,382 housing units.[2]
Prior to the year 1993, Oregon and Nashua were separate townships, but merged in that year.[3]
According to the 2010 census, the township has a total area of, of which (or 96.90%) is land and (or 3.10%) is water.[2]