- Swimming pools5
- Synagogues7
- Taft, William H. (William Howard), 1857-19301
- Telephone--Transmitters and transmission1
- Television stations4
- Television--Receivers and reception2
- Textile factories10
- Textile factories--South Carolina--Richland County6
- Textile workers--Labor unions1
- Theaters5
- Thomas Cooper Library1
- Thurmond, Jean Crouch, 1926-19601
- Thurmond, Strom, 1902-20031
- Tillman, Benjamin R. (Benjamin Ryan), 1847-1918--Monuments1
- Town Theatre (Columbia, S.C.)1
- Township Auditorium (Columbia, S.C.)2
- Tractors2
- Tree of Life Congregation (Columbia, S.C.)2
- Trenholm Road United Methodist Church (Columbia, S.C.)1
- Trinity Cathedral (Columbia, S.C.)14