| Official Name: | DeCliff, 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: | Marion |
| Unit Pref: | Imperial |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 945 |
| Coordinates: | 40.6075°N -83.3422°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 43341 |
| Area Code: | 740 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1064515 |
DeCliff is an unincorporated community in Montgomery Township, Marion County, Ohio, United States. It is located northwest of New Bloomington at the intersection of DeCliff Road North and DeCliff-Big Island Road.[1]