| Official Name: | Chatham, Mississippi |
| Pushpin Map: | Mississippi#USA |
| Pushpin Label: | Chatham |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Mississippi |
| Subdivision Type2: | County |
| Subdivision Name2: | Washington |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 115 |
| Coordinates: | 33.1006°N -91.0978°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 38731 |
| Area Code: | 662 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 668356 |
Chatham is an unincorporated community located in Washington County, Mississippi, near the north shore of Lake Washington. Chatham is approximately 11miles south of Avon and approximately 9miles north of Glen Allan.
Although an unincorporated community, Chatham has a post office and a zip code of 38731.