| Official Name: | Oswego, Indiana |
| Settlement Type: | Unincorporated community and Census designated place |
| Pushpin Map: | Indiana#USA |
| Pushpin Label: | Oswego |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Kosciusko |
| Subdivision Type3: | Township |
| Subdivision Name3: | Plain |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 41.3219°N -85.7869°W |
| Elevation Ft: | 850 |
| Postal Code Type: | ZIP code |
| Postal Code: | 46538 |
| Blank Name: | FIPS code |
| Blank Info: | 18-57186[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2830432 |
Oswego is an unincorporated community in Plain Township, Kosciusko County, in the U.S. state of Indiana.
Oswego was laid out in 1837.[2] It was named after Oswego, New York.[3] A post office was established at Oswego in 1840, and remained in operation until it was discontinued in 1935.[4]
Oswego is located near the western shore of Lake Tippecanoe.