This a complete list of townships in Ogle County, Illinois, USA.
| width=10% | Image | Name | Date organized | Population* | Area in miles (km2) | City/Village | Remarks |
|---|---|---|---|---|---|---|---|
| Brookville Township | November 6, 1849 | 253 | |||||
| Buffalo Township | November 6, 1849 | 2,941 | |||||
| Byron Township | November 6, 1849 | 5,840 | |||||
| Dement Township | February 13, 1856 | 825 | |||||
| Eagle Point Township | September, 1869 | 249 | |||||
| Flagg Township | November 6, 1849 | 13,276 | |||||
| Forreston Township | March 4, 1857 | ||||||
| Grand Detour Township | November 6, 1849 | ||||||
| LaFayette Township | November 6, 1849 | ||||||
| Leaf River Township | November 6, 1849 | ||||||
| Lincoln Township | September, 1869 | ||||||
| Lynnville Township | November 6, 1849 | ||||||
| Marion Township | November 6, 1849 | ||||||
| Maryland Township | November 12, 1850 | ||||||
| Monroe Township | November 6, 1849 | ||||||
| Mt. Morris Township | November 6, 1849 | ||||||
| Oregon-Nashua Township | November 6, 1849 | ||||||
| Pine Creek Township | November 6, 1849 | ||||||
| Pine Rock Township | November 12, 1850 | ||||||
| Rockvale Township | November 12, 1850 | 1,748 | |||||
| Scott Township | November 6, 1849 | 1,671 | |||||
| Taylor Township | November 6, 1849 | 784 | |||||
| White Rock Township | November 6, 1849 | 709 | |||||
| Woosung Township | September 15, 1880 | 392 | |||||