| Official Name: | Oak Grove, Arkansas |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Arkansas |
| Subdivision Type2: | County |
| Subdivision Name2: | Washington |
| Subdivision Type3: | Township |
| Subdivision Name3: | Springdale |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 1316 |
| Elevation M: | 401 |
| Pushpin Map: | Arkansas#USA |
| Pushpin Map Caption: | Oak Grove's position in Arkansas. |
| Coordinates: | 36.1897°N -94.1872°W |
| Area Code: | 479 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 81883 |
Oak Grove (formerly Oakgrove) is an unincorporated community in Springdale Township of northern Washington County, Arkansas, United States.[1] It is located on the northwest side of Springdale just east of the combined U.S. routes 62, 71, 540.[2]