| Official Name: | Green Meadows, Oregon |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Oregon#USA |
| Pushpin Label: | Green Meadows |
| Coordinates: | 45.6164°N -118.8028°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Oregon |
| Subdivision Type2: | County |
| Subdivision Name2: | Umatilla |
| Area Footnotes: | [1] |
| Area Total Sq Mi: | 1.23 |
| Area Land Sq Mi: | 1.23 |
| Area Water Sq Mi: | 0.00 |
| Area Total Km2: | 3.18 |
| Area Land Km2: | 3.18 |
| Area Water Km2: | 0.00 |
| Population As Of: | 2020 |
| Population Density Km2: | 212.59 |
| Timezone: | Pacific (PST) |
| Utc Offset: | -8 |
| Timezone Dst: | PDT |
| Utc Offset Dst: | -7 |
| Elevation Ft: | 1161 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 97801 (Pendleton) |
| Area Code: | 541/458 |
| Blank Name: | FIPS code |
| Blank Info: | 41-31115 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2611733 |
| Population Total: | 675 |
| Unit Pref: | Imperial |
| Population Density Sq Mi: | 550.57 |
Green Meadows is an unincorporated community and census-designated place (CDP) in Umatilla County, Oregon, United States. It was first listed as a CDP following the 2010 census.
The CDP is in central Umatilla County along U.S. Route 395, 5miles south of Pendleton, the county seat. It is on the east side of the valley of McKay Creek, a north-flowing tributary of the Umatilla River, which in turn is a west-flowing tributary of the Columbia.