Pleasant Run Farm is a census-designated place (CDP) in Springfield Township, Hamilton County, Ohio, United States.

Pleasant Run Farm is named after the Pleasant Run Farms [sic] residential subdivision, which hosted the Home Builders Association of Greater Cincinnati's fifth annual Homearama show in 1965.

At 670 acres (270 ha), it was the largest subdivision approved by the Hamilton County Regional Planning Commission up to that time.

[4] Pleasant Run Farm is located northwest of Cincinnati, between Forest Park and Fairfield.

According to the United States Census Bureau, the CDP has a total area of 1.0 square miles (2.7 km2), all land.

Pleasant Run is located to the west in neighboring Colerain Township.

31.9% of all households were made up of individuals, and 14.8% were someone living alone who was 65 years of age or older.