| Official Name: | Hazel Green Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Delaware |
| Area Total Km2: | 93.34 |
| Area Land Km2: | 93.34 |
| Area Water Km2: | 0 |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 36.04 |
| Area Land Sq Mi: | 36.04 |
| Area Water Sq Mi: | 0 |
| Area Water Percent: | 0 |
| Population As Of: | 2000 |
| Population Total: | 408 |
| Population Density Km2: | 4.4 |
| Population Density Sq Mi: | 11.3 |
| Elevation M: | 300 |
| Elevation Ft: | 984 |
| Coordinates: | 42.3367°N -91.4247°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0468024 |
Hazel Green Township is a township in Delaware County, Iowa, USA. As of the 2000 census, its population was 408.[1]
Hazel Green Township was established in 1857.[2]
Hazel Green Township covers an area of 36.04 square miles (93.34 square kilometers). The stream of Golden Branch runs through this township.
The township contains three cemeteries: Calvary, Golden Prairie and Peace.