Wainwright is a town in Muskogee County, Oklahoma, United States.

The town was named for a local merchant, William Henry Wainwright.

[4] According to the United States Census Bureau, the town has a total area of 0.3 square miles (0.78 km2), all land.

20.3% of all households were made up of individuals, and 4.7% had someone living alone who was 65 years of age or older.

About 27.5% of families and 31.4% of the population were below the poverty line, including 42.0% of those under the age of eighteen and none of those 65 or over.