| Official Name: | Allens Grove Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Scott |
| Area Total Km2: | 71.86 |
| Area Land Km2: | 71.53 |
| Area Water Km2: | 0.34 |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 27.75 |
| Area Land Sq Mi: | 27.62 |
| Area Water Sq Mi: | 0.13 |
| Area Water Percent: | 0.47 |
| Population As Of: | 2000 |
| Population Total: | 1017 |
| Population Density Km2: | 14.2 |
| Population Density Sq Mi: | 36.8 |
| Elevation M: | 195 |
| Elevation Ft: | 640 |
| Coordinates: | 41.7228°N -90.7214°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0467388 |
Allens Grove Township is a township in Scott County, Iowa, USA. As of the 2000 census, its population was 1,017.
Allens Grove Township covers an area of 27.75sqmi and contains one incorporated settlement, Donahue. According to the USGS, it contains one cemetery, Allens Grove.
The streams of Hickory Creek and Mud Creek run through this township.