| Official Name: | Hastain, Missouri |
| Pushpin Map: | Missouri#USA |
| Pushpin Label: | Hastain |
| Pushpin Label Position: | top |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Missouri |
| Subdivision Type2: | County |
| Subdivision Name2: | Benton |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 686 |
| Coordinates: | 38.2019°N -93.1764°W |
| Area Code: | 660 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 740911 |
Hastain is an unincorporated community in Benton County, Missouri, United States. Hastain is located on Supplemental Route V, 11.5miles east-southeast of Warsaw.[1]
A post office called Hastain was established in 1884, and remained in operation until 1951.[2] The community was named after the local Hastain family.[3]