Red Oak is a town in Nash County, North Carolina, United States.

It is part of the Rocky Mount, North Carolina Metropolitan Statistical Area.

Black Jack and the Red Oak Community House are listed on the National Register of Historic Places.

As of the 2020 United States census, there were 3,342 people, 1,433 households, and 1,133 families residing in the town.

14.6% of all households were made up of individuals, and 6.5% had someone living alone who was 65 years of age or older.