| Official Name: | Westport Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Iowa |
| Subdivision Type2: | County |
| Subdivision Name2: | Dickinson |
| Area Total Km2: | 93.05 |
| Area Land Km2: | 93.02 |
| Area Water Km2: | 0.03 |
| Area Total Sq Mi: | 35.93 |
| Area Land Sq Mi: | 35.91 |
| Area Water Sq Mi: | 0.01 |
| Area Water Percent: | 0.03 |
| Population As Of: | 2000 |
| Population Total: | 143 |
| Population Density Km2: | 1.5 |
| Population Density Sq Mi: | 4 |
| Elevation M: | 429 |
| Elevation Ft: | 1407 |
| Coordinates: | 43.3003°N -95.3281°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 51338, 51345, 51347, 51351 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0468987 |
Westport Township is one of twelve townships in Dickinson County, Iowa, USA. As of the 2000 census, its population was 143.[1]
According to the United States Census Bureau, Westport Township covers an area of ; of this,, 99.97 percent is land and and 0.03 percent is water.
The township contains Westport Cemetery.