| Official Name: | Athelstan, Arkansas |
| Pushpin Map: | Arkansas#USA |
| Pushpin Label: | Athelstan |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Arkansas |
| Subdivision Type2: | County |
| Subdivision Name2: | Mississippi |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 230 |
| Coordinates: | 35.6981°N -90.1783°W |
| Area Code: | 870 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 57285 |
Athelstan is an unincorporated community in Mississippi County, Arkansas, United States. Athelstan is located at the junction of Arkansas highways 77 and 140, 11.5miles west of Osceola.[1]