| Official Name: | Olszeski Town, Ohio |
| Settlement Type: | Unincorporated community |
| Mapsize: | 250px |
| Pushpin Map: | Ohio |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Ohio |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Jefferson |
| Unit Pref: | Imperial |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 761 |
| Coordinates: | 40.1944°N -80.7886°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 43917 |
| Area Code: | 740 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1057900 |
Olszeski Town (previously also known as Mount Pleasant) is an unincorporated community in Mount Pleasant Township, Jefferson County, Ohio, United States. It is located between Dillonvale and Dunglen along County Route 7 and Short Creek.[1]