| Official Name: | Reid, Maryland |
| Settlement Type: | CDP |
| Pushpin Map: | Maryland#USA |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Washington |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 0.32 |
| Area Land Km2: | 0.32 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 0.13 |
| Area Land Sq Mi: | 0.13 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 64 |
| Population Density Km2: | 197.47 |
| Population Density Sq Mi: | 512.00 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 584 |
| Coordinates: | 39.7125°N -77.6794°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 21742[2] |
| Area Code: | 301, 240 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 2583681 |
Reid is an unincorporated community and census-designated place in Washington County, Maryland, United States. Its population was 64 as of the 2020 census.[3]
According to the U.S. Census Bureau, the community has an area of, all land.[4]