| Official Name: | Madison Township |
| Settlement Type: | Township |
| Unit Pref: | imperial |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Iowa |
| Subdivision Type2: | County |
| Subdivision Name2: | Fremont |
| Area Total Km2: | 102.74 |
| Area Land Km2: | 102.07 |
| Area Water Km2: | 0.67 |
| Area Total Sq Mi: | 39.67 |
| Area Land Sq Mi: | 39.41 |
| Area Water Sq Mi: | 0.26 |
| Area Water Percent: | 0.65 |
| Population As Of: | 2010 |
| Population Footnotes: | [1] |
| Population Total: | 141 |
| Population Density Km2: | 1.4 |
| Population Density Sq Mi: | 3.6 |
| Elevation M: | 306 |
| Elevation Ft: | 1004 |
| Coordinates: | 40.6192°N -95.5611°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 51640, 51650 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0468320 |
Madison Township is one of thirteen townships in Fremont County, Iowa, United States. As of the 2010 census, its population was 141 and it contained 68 housing units.[1]
As of the 2010 census, Madison Township covered an area of ; of this, (99.35 percent) was land and (0.65 percent) was water.[1]
The township contains Beehive Cemetery, Columbia and French Cemetery, Mount Olive Cemetery, Stauch Cemetery, Utterback Cemetery and Wesleyan Cemetery.