| Official Name: | Kanauga, Ohio |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Ohio#USA |
| Pushpin Label: | Kanauga |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Ohio |
| Subdivision Type2: | County |
| Subdivision Name2: | Gallia |
| Subdivision Type3: | Townships |
| Subdivision Name3: | Gallipolis, Addison |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 0.83 |
| Area Land Km2: | 0.75 |
| Area Water Km2: | 0.08 |
| Area Total Sq Mi: | 0.32 |
| Area Land Sq Mi: | 0.29 |
| Area Water Sq Mi: | 0.03 |
| Population As Of: | 2020 |
| Population Total: | 185 |
| Population Density Km2: | 246.77 |
| Population Density Sq Mi: | 640.14 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 571 |
| Coordinates: | 38.8411°N -82.1494°W |
| Blank Name: | FIPS code |
| Blank Info: | 39-39564[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2628907 |
Kanauga is an unincorporated community and census-designated place (CDP) in Gallia County, Ohio, United States. As of the 2020 census it had a population of 185.
A post office called Kanauga was established in 1896, and remained in operation until it was discontinued in the 1960s. The origin of the name Kanauga is obscure.[3]
Kanauga is located in eastern Gallia County, primarily in the northeast corner of Gallipolis Township, but extending north into the southeast corner of Addison Township. It is bordered to the south by the city of Gallipolis and to the east by the Ohio River, which forms the Ohio–West Virginia border. Directly across the river is the city of Point Pleasant, West Virginia, and the mouth of the Kanawha River.
U.S. Route 35 passes through the southern part of the Kanauga CDP, leading east across the Ohio on the Silver Memorial Bridge. US-35 leads southeast to its terminus in Teays Valley, West Virginia, and northwest to Chillicothe. Ohio Route 7 passes through the center of Kanauga, leading northeast to Parkersburg, West Virginia, and southwest 4miles to the center of Gallipolis. Huntington, West Virginia, is to the southwest via Route 7.
According to the U.S. Census Bureau, the Kanauga CDP has a total area of 0.83sqkm, of which 0.75sqkm is land and 0.08sqkm, or 9.76%, is water, consisting of the western side of the Ohio River.