Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Trinity Church | Church | 32 | Clarendon | 33 44 28 N | 080 11 16 W |
| Trinity Church | Church | 6 | Colleton | 32 40 23 N | 080 37 48 W |
| Trinity Church | Church | 7 | Colleton | 32 51 59 N | 080 29 21 W |
| Trinity Church | Church | 17 | Dorchester | 33 00 51 N | 080 20 28 W |
| Trinity Church | Church | 15 | Florence | 33 51 39 N | 079 26 49 W |
| Trinity Church | Church | 6 | Georgetown | 33 39 11 N | 079 11 10 W |
| Trinity Church | Church | 9 | Georgetown | 33 19 21 N | 079 33 15 W |
| Trinity Church | Church | 7 | Horry | 33 48 53 N | 078 41 43 W |
| Trinity Church | Church | 174 | Lancaster | 34 41 21 N | 080 47 02 W |
| Trinity Church | Church | 178 | Lancaster | 34 42 38 N | 080 44 01 W |
| Trinity Church | Church | 228 | Laurens | 34 31 03 N | 082 05 39 W |
| Trinity Church | Church | 84 | Lexington | 34 00 19 N | 081 05 02 W |
| Trinity Church | Church | 56 | Marlboro | 34 34 41 N | 079 32 58 W |
| Trinity Church | Church | 167 | Newberry | 34 14 58 N | 081 44 06 W |
| Trinity Church | Church | 160 | Newberry | 34 15 19 N | 081 43 22 W |
| Trinity Church | Church | 131 | Newberry | 34 28 15 N | 081 27 24 W |
| Trinity Church | Church | 72 | Orangeburg | 33 31 28 N | 080 52 03 W |
| Trinity Church | Church | 97 | Orangeburg | 33 40 37 N | 081 03 04 W |
| Trinity Church | Church | 76 | Richland | 33 58 23 N | 080 56 32 W |
| Trinity Church | Church | 159 | Saluda | 34 02 56 N | 081 50 43 W |
| Trinity Church | Church | 196 | Spartanburg | 34 38 39 N | 081 54 43 W |
| Trinity Church | Church | 264 | Spartanburg | 34 58 05 N | 081 58 28 W |
| Trinity Church | Church | 298 | Spartanburg | 35 09 47 N | 081 55 16 W |
| Trinity Church | Church | 38 | Sumter | 33 58 29 N | 080 04 00 W |
| Trinity Church (historical) | Church | 223 | Anderson | 34 34 58 N | 082 38 42 W |
| Trinity Church (historical) | Church | 165 | Greenwood | 34 10 56 N | 082 01 26 W |
| Trinity Church (historical) | Church | 39 | Sumter | 34 02 28 N | 080 34 09 W |
| Trinity Church (historical) | Church | 37 | Sumter | 33 56 31 N | 080 02 22 W |
| Trinity Cross Roads | Populated Place | 35 | Clarendon | 33 44 29 N | 080 11 10 W |
| Trinity Cross Roads | Populated Place | 40 | Sumter | 33 58 01 N | 080 04 14 W |
| Trinity Episcopal Cathedral | Church | 97 | Richland | 34 00 04 N | 081 01 51 W |
| Trinity Episcopal Church | Church | 180 | Abbeville | 34 10 37 N | 082 22 51 W |
| Trinity Episcopal Church | Church | 26 | Berkeley | 33 13 45 N | 080 02 18 W |
| Trinity Episcopal Church | Church | 55 | Darlington | 34 30 47 N | 079 51 13 W |
| Trinity Episcopal Church | Church | 10 | Horry | 33 42 35 N | 078 51 46 W |
| Trinity Lutheran Church | Church | 298 | Greenville | 34 51 23 N | 082 23 48 W |
| Trinity Methodist Church | Church | 33 | Colleton | 33 05 33 N | 080 48 51 W |
| Trinity Methodist Church | Church | 300 | Oconee | 34 45 29 N | 083 03 40 W |
| Trinity Methodist Church Cemetery | Cemetery | 228 | Laurens | 34 31 09 N | 082 05 37 W |
| Trinity Methodist Episcopal Church | Church | 74 | Orangeburg | 33 29 45 N | 080 51 23 W |
| Trinity Presbyterian Church | Church | 204 | York | 34 56 50 N | 081 01 23 W |
| Trinity Ridge School (historical) | School | 232 | Laurens | 34 30 40 N | 082 05 14 W |
| Trinity Rosenwald School (historical) | School | 166 | Saluda | 34 02 13 N | 081 52 44 W |
| Trinity School | School | 15 | Florence | 33 51 54 N | 079 26 49 W |
| Trinity School | School | 105 | Orangeburg | 33 40 18 N | 081 03 21 W |
| Trinity School (historical) | School | 34 | Allendale | 32 54 03 N | 081 24 54 W |
| Trinity School (historical) | School | 33 | Clarendon | 33 44 27 N | 080 11 15 W |
| Trinity School (historical) | School | 7 | Colleton | 32 49 34 N | 080 29 30 W |
| Trinity School (historical) | School | 27 | Florence | 33 59 34 N | 079 36 16 W |
| Trinity School (historical) | School | 164 | Newberry | 34 14 55 N | 081 44 11 W |
| Trinity School (historical) | School | 164 | Newberry | 34 15 26 N | 081 43 22 W |
| Trinity School (historical) | School | 131 | Newberry | 34 28 10 N | 081 27 30 W |
| Trinity School (historical) | School | 156 | Saluda | 34 02 05 N | 081 53 22 W |
| Trinity School (historical) | School | 207 | Spartanburg | 34 39 09 N | 081 54 54 W |
| Trinity Temple | Church | 318 | Greenville | 34 53 00 N | 082 21 57 W |
| Trinity United Methodist Cemetery | Cemetery | 295 | Spartanburg | 35 09 44 N | 081 55 13 W |
| Trinity United Methodist Church | Church | 150 | Aiken | 33 30 09 N | 081 42 22 W |
| Trinity United Methodist Church | Church | 240 | Anderson | 34 31 13 N | 082 39 22 W |
| Trinity United Methodist Church | Church | 52 | Bamberg | 33 17 45 N | 081 01 53 W |
| Trinity United Methodist Church | Church | 6 | Charleston | 32 47 03 N | 079 55 59 W |
| Trinity United Methodist Church | Church | 46 | Darlington | 34 18 08 N | 079 52 21 W |
| Trinity United Methodist Church | Church | 9 | Georgetown | 33 26 52 N | 079 33 37 W |
| Trinity United Methodist Church | Church | 186 | Greenwood | 34 11 14 N | 082 10 15 W |
| Trinity United Methodist Church | Church | 7 | Horry | 33 48 53 N | 078 41 43 W |
| Trinity United Methodist Church | Church | 61 | Kershaw | 34 14 48 N | 080 36 35 W |
| Trinity United Methodist Church | Church | 239 | Spartanburg | 34 57 05 N | 081 54 46 W |
| Trinity United Methodist Church | Church | 52 | Sumter | 33 55 14 N | 080 20 49 W |
| Trinity United Methodist Church | Church | 229 | York | 34 59 35 N | 081 14 26 W |
| Trio | Populated Place | 18 | Williamsburg | 33 29 10 N | 079 43 03 W |
| Trio Methodist Episcopal Church South | Church | 17 | Williamsburg | 33 29 03 N | 079 43 04 W |
| Triple Crown Community Church | Church | 149 | Aiken | 33 31 34 N | 081 42 42 W |
| Triple Lakes | Reservoir | 104 | Chesterfield | 34 35 12 N | 080 14 18 W |
| Trippiloo Creek | Stream | | Horry | 34 14 44 N | 078 59 24 W |
| Triune School | School | 140 | Aiken | 33 32 00 N | 081 57 11 W |
| Triune United Methodist Church | Church | 303 | Greenville | 34 51 43 N | 082 24 14 W |
| Trollingwood Lake | Reservoir | 239 | Chester | 34 40 00 N | 082 21 41 W |
| Trollingwood Lake | Reservoir | 239 | Greenville | 34 40 00 N | 082 21 17 W |
| Trollingwood Lake Dam D-2878 | Dam | 239 | Greenville | 34 40 00 N | 082 21 17 W |
| Trotters Ridge | Populated Place | 22 | Dorchester | 33 01 32 N | 080 13 37 W |
| Trotters Shoals | Bar | 108 | Abbeville | 34 03 56 N | 082 37 55 W |
| Trout Lake | Lake | 11 | Marion | 34 04 37 N | 079 14 27 W |
| Trowells Mill Branch | Stream | | Hampton | 32 49 18 N | 081 11 46 W |
| Troy | Populated Place | 156 | Greenwood | 33 59 15 N | 082 17 52 W |
| True Blue | Populated Place | 3 | Georgetown | 33 26 51 N | 079 08 59 W |
| True Blue Creek | Stream | | Beaufort | 32 36 11 N | 080 40 53 W |
| True Blue Creek | Stream | | Calhoun | 33 43 39 N | 080 42 06 W |
| True Blue Lake | Lake | 49 | Calhoun | 33 42 33 N | 080 42 45 W |
| True Holiness Church | Church | 228 | Cherokee | 35 04 51 N | 081 39 04 W |
| True Vine Church | Church | 10 | Horry | 33 49 21 N | 078 54 22 W |
| Truesdale School | School | 126 | Kershaw | 34 25 38 N | 080 37 29 W |
| Truevine Church | Church | 42 | Bamberg | 33 11 24 N | 080 59 57 W |
| Trueway Church | Church | 12 | Horry | 33 54 41 N | 078 38 53 W |
| Trustless Branch | Stream | | Clarendon | 33 51 06 N | 080 01 40 W |
| Truth Tabernacle | Church | 388 | Greenville | 35 07 06 N | 082 24 25 W |
| Tryon Park | Park | 310 | Greenville | 34 56 39 N | 082 14 34 W |
| Tryon Street Elementary School | School | 308 | Greenville | 34 56 47 N | 082 14 37 W |
| Tuckahoe Bay | Swamp | 12 | Horry | 33 46 11 N | 078 56 53 W |
| Tucker Bridge | Bridge | 158 | Abbeville | 34 18 23 N | 082 26 27 W |
| Tucker Lake | Reservoir | 83 | Richland | 34 07 55 N | 080 49 17 W |
| Tucker Lake D-0554 Dam | Dam | 83 | Richland | 34 07 55 N | 080 49 17 W |
| Tuckers Pond Dam D-3169 | Dam | 169 | Chesterfield | 34 47 13 N | 080 23 41 W |
| Tuckertown | Populated Place | 21 | Berkeley | 33 10 35 N | 080 06 02 W |
| Tuckertown | Populated Place | 135 | Union | 34 31 35 N | 081 29 09 W |
| Tugaloo Church | Church | 217 | Oconee | 34 37 17 N | 083 13 52 W |
| Tugaloo Church | Church | 264 | Oconee | 34 32 32 N | 083 03 20 W |
| Tugaloo Creek | Stream | | Anderson | 34 23 54 N | 082 35 54 W |
| Tugaloo Dam | Dam | 272 | Oconee | 34 42 52 N | 083 21 07 W |
| Tugtown | Populated Place | 26 | Orangeburg | 33 18 53 N | 080 20 05 W |
| Tulifiny River | Stream | | Jasper | 32 32 47 N | 080 51 56 W |
| Tumbling Shoals | Rapids | 174 | Laurens | 34 30 22 N | 082 13 20 W |