Seven Oaks is a census-designated place (CDP) in Lexington County, South Carolina, United States, 8 miles (13 km) northwest of downtown Columbia, the state capital.

The CDP contains the neighborhoods of Challedon, Whitehall, Grenadier, and Woodland Hills.

I-20 passes through the southern part of the community, with access from Exit 63 (Bush River Road).

As of the 2020 United States census, there were 14,652 people, 6,703 households, and 4,174 families residing in the CDP.

At the 2000 census there were 15,755 people, 6,633 households, and 4,324 families living in the CDP.