Pocasset is a town in Grady County, Oklahoma, United States.

U.S. Route 81 passes through the town center, leading south 11 miles (18 km) to Chickasha, the county seat, and north 8 miles (13 km) to Minco.

According to the United States Census Bureau, Pocasset has a total area of 0.46 square miles (1.2 km2), all land.

26.7% of all households were made up of individuals, and 5.3% had someone living alone who was 65 years of age or older.

About 11.1% of families and 16.0% of the population were below the poverty line, including 22.4% of those under the age of eighteen and 8.3% of those 65 or over.