| Official Name: | Crescent Bar, Washington |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Washington#USA |
| Pushpin Label: | Crescent Bar |
| Coordinates: | 47.2128°N -119.9942°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Washington |
| Subdivision Type2: | County |
| Subdivision Name2: | Grant |
| Area Footnotes: | [1] |
| Area Total Km2: | 4.88 |
| Area Land Km2: | 2.61 |
| Area Water Km2: | 2.27 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population: | 325 |
| Timezone: | Pacific (PST) |
| Utc Offset: | -8 |
| Timezone Dst: | PDT |
| Utc Offset Dst: | -7 |
| Elevation Ft: | 582 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 98848 (Quincy) |
| Area Code: | 509 |
| Blank Name: | FIPS code |
| Blank Info: | 53-15603 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2807179 |
Crescent Bar is a resort area and census-designated place (CDP) in Grant County, Washington, United States. As of the 2020 census, it had a population of 325.[2]
The CDP is on the western edge of the county, on the east side of the Columbia River. A portion of the community occupies an island (Crescent Bar) in the river. The community is 2miles south of Washington State Route 28 at Trinidad. SR 28 leads east 7miles to Quincy and northwest to Wenatchee.