| Official Name: | Tilden Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Cherokee |
| Area Total Km2: | 93.88 |
| Area Land Km2: | 93.88 |
| Area Water Km2: | 0 |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 36.25 |
| Area Land Sq Mi: | 36.25 |
| Area Water Sq Mi: | 0 |
| Population As Of: | 2000 |
| Population Total: | 194 |
| Population Density Km2: | 2.1 |
| Population Density Sq Mi: | 5.4 |
| Elevation Footnotes: | [1] |
| Elevation M: | 395 |
| Elevation Ft: | 1296 |
| Coordinates: | 42.6911°N -95.8044°W |
| Blank Name: | FIPS code |
| Blank Info: | 19-94113[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0468789 |
Tilden Township is one of sixteen townships in Cherokee County, Iowa, United States. As of the 2000 census, its population was 194.
Tilden Township was named after Joseph White Tilden (1819–1903) a pioneer who emigrated first from Lebanon, Connecticut, to Forest Lake, Pennsylvania, to Springfield, Illinois, and then to Winneshiek County, Iowa. In 1866, he claimed as a homestead 480acres of section 26, residing there with his wife, Irene Elizabeth West, and five children. They moved to the Washington Territory in 1885.[3]
Tilden Township covers an area of 36.25sqmi and contains no incorporated settlements. According to the USGS, it contains two cemeteries: Mount Pleasant and Trinity.