| Official Name: | Chattanooga |
| Other Name: | Chatt |
| Settlement Type: | Unincorporated Community |
| Pushpin Map: | Ohio#USA |
| Pushpin Map Caption: | Location in Ohio##Location in the United States |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name1: | Ohio |
| Subdivision Name2: | Mercer |
| Elevation Ft: | 837 |
| Population Total: | 418 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1039008 |
Chattanooga is an unincorporated community located in Mercer County, Ohio.
Chattanooga has a population of 418, with approximately 49.51% males and 50.49% females.
A post office called Chattanooga was established in 1882, and remained in operation until 1905.[1] Chattanooga is derived from the Cherokee name for "crow's nest".[2] In 1907, Chattanooga had 100 inhabitants.[3] Cities near Chattanooga, Ohio are Celina, OH and New Haven, IN.[4]