| Official Name: | Byron Township |
| Settlement Type: | Township |
| Unit Pref: | Imperial |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Ogle |
| Leader Title: | Supervisor |
| Leader Name: | David Burnworth |
| Established Title: | Established |
| Established Date: | November 6, 1849 |
| Area Total Sq Mi: | 37.24 |
| Area Land Sq Mi: | 36.68 |
| Area Water Sq Mi: | 0.56 |
| Area Water Percent: | 1.50 |
| Population As Of: | 2010 |
| Population Density Sq Mi: | 178.9 |
| Elevation M: | 223 |
| Elevation Ft: | 732 |
| Coordinates: | 42.1694°N -89.2747°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 61010, 61047, 61061, 61102 |
| Blank Name: | FIPS code |
| Blank Info: | 17-141-10253 |
| Pop Est As Of: | 2016 |
| Pop Est Footnotes: | [1] |
| Population Est: | 6336 |
Byron Township is one of twenty-four townships in Ogle County, Illinois, USA. As of the 2010 census, its population was 6,563 and it contained 2,594 housing units.[2]
According to the 2010 census, the township has a total area of, of which (or 98.50%) is land and (or 1.50%) is water.[2] It contains the north three-quarters of the city of Byron.
The township contains these two cemeteries: Byron City and Saint Mary's.