Thornwell may refer to:
- Thornwell, Louisiana, an unincorporated community in Jefferson Davis Parish
- Thornwell Orphanage, in Clinton, South Carolina
- James Henley Thornwell (1812–1862), American Presbyterian preacher and religious writer
- Sindarius Thornwell (born 1994), American College basketball player
- Thornwell Jacobs (1877–1956), educator, author, and Presbyterian minister
See also
edit- Thornwell–Presbyterian College Historic District, located in Clinton, Laurens County, South Carolina
- Thornwell-Elliott House, historic home located at Fort Mill, York County, South Carolina
- George Thornewell (1898–1986), English international footballer
- Thörnell, a surname