Odanah (Ojibwe: Oodena) is an unincorporated community and census-designated place (CDP) in Ashland County, Wisconsin, in the town of Sanborn, United States, on the banks of the Bad River.

Official state and county maps from the Wisconsin DOT only show Odanah.

[8] The name is from an Ojibwe language word, now spelled oodena, meaning "village.

The racial makeup of the CDP was 4.72% White, 92.52% Native American, and 2.76% from two or more races.

About 23.9% of families and 29.7% of the population were below the poverty line, including 45.6% of those under the age of eighteen and none of those 65 or over.