| Official Name: | Manhattan, Indiana |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Indiana#USA |
| Pushpin Label: | Manhattan |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Putnam |
| Subdivision Type3: | Township |
| Subdivision Name3: | Washington |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 39.555°N -86.9275°W |
| Elevation Ft: | 643 |
| Postal Code Type: | ZIP code |
| Postal Code: | 46171 |
| Area Code: | 765 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 438515 |
Manhattan is an unincorporated community in central Washington Township, Putnam County, in the U.S. state of Indiana.
Manhattan was laid out in 1829 when the National Road was extended to that point.[1] The community was named after Manhattan, in New York.[2] A post office was established at Manhattan in 1830, and remained in operation until it was discontinued in 1905.[3]
Manhattan lies on U.S. Route 40, approximately six miles southwest of the city of Greencastle.