Pataha is an unincorporated community and census-designated place (CDP) located in Garfield County, Washington, in the United States. It is situated approximately 4 miles (6.4 km) east of Pomeroy, which serves as the county seat.
As of the 2020 census, the population of Pataha was 106 residents. The community is notable for being home to the historic Houser Mill, a working water-powered flour mill that was originally constructed in 1879.