| Official Name: | Mullen Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Nebraska |
| Subdivision Type2: | County |
| Subdivision Name2: | Boyd |
| Area Total Km2: | 104.78 |
| Area Land Km2: | 101.82 |
| Area Water Km2: | 2.96 |
| Area Total Sq Mi: | 40.46 |
| Area Land Sq Mi: | 39.31 |
| Area Water Sq Mi: | 1.14 |
| Area Water Percent: | 2.82 |
| Population As Of: | 2000 |
| Population Total: | 47 |
| Population Density Km2: | 0.5 |
| Population Density Sq Mi: | 1.2 |
| Elevation M: | 520 |
| Elevation Ft: | 1706 |
| Coordinates: | 42.9147°N -98.4867°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 68746[1] |
| Area Code: | 402 and 531 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0838149 |
Mullen Township is one of nine townships in Boyd County, Nebraska, United States. The population was 47 at the 2000 census. A 2006 estimate placed the township's population at 42.[2]