| Official Name: | Greenbrier, Missouri |
| Settlement Type: | unincorporated community |
| Mapsize: | 250x200px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Missouri |
| Subdivision Type2: | County |
| Subdivision Name2: | Bollinger |
| Subdivision Type3: | Township |
| Subdivision Name3: | Wayne |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 364 |
| Coordinates: | 37.1106°N -90.0256°W |
| Postal Code Type: | ZIP code |
| Area Code: | 573 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 718819 |
Greenbrier is an unincorporated community in the southeastern part of Wayne Township in Bollinger County, Missouri, United States. The name Greenbrier been attributed as being due to the vegetation growing in the area, particularly blackberry and other green briers.[1] The community was situated along the branch railroad which connected Brownwood in Stoddard County to Zalma.[2] A post office was in operation between the years 1889–1957.[3]