| Official Name: | Chatham, Pennsylvania |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Pennsylvania#USA |
| Pushpin Label: | Chatham |
| Pushpin Label Position: | top |
| Pushpin Map Caption: | Location in Pennsylvania |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Chester |
| Subdivision Type3: | Township |
| Subdivision Name3: | London Grove |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 440 |
| Coordinates: | 39.8533°N -75.8217°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 19318 |
| Area Code: | 610 and 484 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1171611 |
Chatham is an unincorporated community in London Grove Township in Chester County, Pennsylvania, United States. Chatham is located at the intersection of state routes 41 and 841.[1]