| Official Name: | Afton Township |
| Settlement Type: | Township |
| Mapsize: | 150x150px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Iowa |
| Subdivision Type2: | County |
| Subdivision Name2: | Howard |
| Unit Pref: | Imperial |
| Area Total Km2: | 130.76 |
| Area Total Sq Mi: | 50.49 |
| Population As Of: | 2010 |
| Population Footnotes: | [1] |
| Population Total: | 897 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Footnotes: | [2] |
| Elevation M: | 377 |
| Elevation Ft: | 1239 |
| Coordinates: | 43.2633°N -92.4997°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 50466, 50603, 50628 |
| Area Code: | 641 |
| Blank Name: | FIPS code |
| Blank Info: | 19-089 |
Afton Township is a township in Howard County, Iowa, United States. During the 2010 Census it had a population of 897.