| 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, USA. 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.