| Official Name: | Catlin Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Vermilion |
| Established Title: | Created |
| Established Date: | 1858 |
| Area Total Sq Mi: | 50.07 |
| Area Land Sq Mi: | 49.79 |
| Area Water Sq Mi: | 0.28 |
| Area Water Percent: | 0.56 |
| Population As Of: | 2010 |
| Population Density Sq Mi: | 66.3 |
| Elevation M: | 205 |
| Elevation Ft: | 673 |
| Coordinates: | 40.0606°N -87.7244°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 61817, 61832, 61834, 61841, 61846, 61858, 61883 |
| Area Code: | 217 |
| Blank Name: | FIPS code |
| Blank Info: | 17-183-11787 |
| Pop Est As Of: | 2016 |
| Pop Est Footnotes: | [1] |
| Population Est: | 3199 |
| Unit Pref: | Imperial |
Catlin Township is a township in Vermilion County, Illinois, United States. As of the 2010 census, its population was 3,300 and it contained 1,342 housing units.[2]
Catlin Township was created in 1858.
According to the 2010 census, the township has a total area of, of which (or 99.44%) is land and (or 0.56%) is water.[2]
The township contains fourteen cemeteries: Allhands, Cox, Dougherty, God's Acre, Hickman, Jones Grove, Kight's, Mount Vernon, New Atherton, Oak Ridge, Pate, Songer, Spicer Family Plot and Wright Family.