Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Willow Acres | Populated Place | 198 | York | 34 59 34 N | 081 05 14 W |
| Willow Branch School (historical) | School | 158 | Saluda | 33 56 12 N | 081 39 22 W |
| Willow Creek | Stream | | Florence | 34 06 32 N | 079 34 23 W |
| Willow Creek Church | Church | 27 | Florence | 34 05 58 N | 079 40 53 W |
| Willow Creek Church | Church | 29 | Florence | 34 06 17 N | 079 35 28 W |
| Willow Creek School | School | 30 | Florence | 34 05 57 N | 079 42 03 W |
| Willow Creek Siding | Populated Place | 29 | Florence | 34 05 29 N | 079 38 50 W |
| Willow Drive School | School | 52 | Sumter | 33 56 11 N | 080 21 41 W |
| Willow Grove Cemetery | Cemetery | 38 | Sumter | 34 01 47 N | 080 35 59 W |
| Willow Grove Church | Church | 41 | Sumter | 34 01 48 N | 080 34 58 W |
| Willow Grove School | School | 41 | Sumter | 34 01 47 N | 080 35 02 W |
| Willow Hall Swamp | Swamp | 5 | Charleston | 33 01 41 N | 079 39 33 W |
| Willow Heights | Populated Place | 326 | Greenville | 34 54 01 N | 082 21 53 W |
| Willow Landing (historical) | Locale | 100 | McCormick | 33 51 36 N | 082 23 45 W |
| Willow Oak Hunt Camp | Locale | 126 | Newberry | 34 23 20 N | 081 31 11 W |
| Willow Oak Point | Cape | 9 | Hampton | 32 38 26 N | 081 24 36 W |
| Willow Pond | Lake | 4 | Jasper | 32 26 51 N | 080 55 16 W |
| Willow Springs Branch | Stream | | Horry | 33 48 23 N | 079 04 49 W |
| Willow Springs Church | Church | 138 | Edgefield | 33 56 42 N | 081 55 39 W |
| Willow Springs Church | Church | 12 | Horry | 33 48 47 N | 079 05 51 W |
| Willow Springs Park | Populated Place | 68 | Aiken | 33 31 17 N | 081 54 49 W |
| Willow Springs School (historical) | School | 140 | Edgefield | 33 56 25 N | 081 55 49 W |
| Willow Swamp | Stream | | Colleton | 32 57 49 N | 080 53 02 W |
| Willow Swamp | Stream | | Orangeburg | 32 24 51 N | 081 09 26 W |
| Willow Swamp Branch | Stream | | Fairfield | 34 30 02 N | 081 03 08 W |
| Willow Swamp Church | Church | 76 | Orangeburg | 33 25 27 N | 081 08 12 W |
| Willow Wicks Lake | Reservoir | 57 | Aiken | 33 32 36 N | 081 59 29 W |
| Willow Wood | Populated Place | 254 | Spartanburg | 35 00 35 N | 082 01 02 W |
| Willowbrook (subdivision) | Populated Place | 9 | Berkeley | 32 59 11 N | 080 00 19 W |
| Willowbrook Park | Park | 138 | Newberry | 34 16 22 N | 081 37 42 W |
| Wills Bay | Swamp | 28 | Florence | 34 00 36 N | 079 37 58 W |
| Willtown (historical) | Populated Place | 6 | Williamsburg | 33 37 06 N | 079 27 01 W |
| Willtown Bluff | Populated Place | 9 | Charleston | 32 40 46 N | 080 24 47 W |
| Wilmont Fraser Elementary School | School | 5 | Charleston | 32 47 45 N | 079 56 05 W |
| Wilson | Populated Place | 36 | Clarendon | 33 39 48 N | 080 07 06 W |
| Wilson Branch | Stream | | Chesterfield | 34 42 35 N | 079 53 46 W |
| Wilson Branch | Stream | | Edgefield | 33 55 03 N | 082 04 33 W |
| Wilson Branch | Stream | | Oconee | 34 50 08 N | 082 57 21 W |
| Wilson Calvary Baptist Church | Church | 232 | Anderson | 34 30 55 N | 082 39 27 W |
| Wilson Cemetery | Cemetery | 5 | Charleston | 32 59 27 N | 079 37 15 W |
| Wilson Cemetery | Cemetery | 6 | Georgetown | 33 33 06 N | 079 24 08 W |
| Wilson Chapel | Church | 37 | Orangeburg | 33 15 22 N | 080 48 09 W |
| Wilson Creek | Stream | | Abbeville | 34 14 47 N | 082 37 23 W |
| Wilson Creek | Stream | | Greenville | 34 43 06 N | 082 10 37 W |
| Wilson Creek | Stream | | Greenwood | 34 09 55 N | 081 56 14 W |
| Wilson Creek | Stream | | Oconee | 34 58 20 N | 083 02 58 W |
| Wilson Creek Number 1 Church | Church | 211 | Anderson | 34 18 59 N | 082 36 11 W |
| Wilson Creek Number 2 Church | Church | 201 | Abbeville | 34 17 21 N | 082 36 25 W |
| Wilson Crossroads | Populated Place | 30 | Clarendon | 33 47 59 N | 080 07 19 W |
| Wilson Crossroads | Populated Place | 46 | Darlington | 34 13 23 N | 079 53 47 W |
| Wilson Estates (subdivision) | Populated Place | 42 | Florence | 34 12 56 N | 079 45 23 W |
| Wilson Grove Church | Church | 34 | Clarendon | 33 39 41 N | 080 07 26 W |
| Wilson Hall School | School | 56 | Sumter | 33 56 08 N | 080 24 20 W |
| Wilson Heights (subdivision) | Populated Place | 43 | Florence | 34 12 45 N | 079 45 27 W |
| Wilson High School | School | 43 | Florence | 34 13 12 N | 079 43 51 W |
| Wilson Hospital | Hospital | 46 | Darlington | 34 18 53 N | 079 50 14 W |
| Wilson Junior High School (historical) | School | 44 | Florence | 34 12 28 N | 079 46 01 W |
| Wilson Lake | Lake | 4 | Williamsburg | 33 40 58 N | 079 31 46 W |
| Wilson Landing | Populated Place | 1 | Horry | 33 50 02 N | 079 00 10 W |
| Wilson Mill Pond | Reservoir | 56 | Richland | 34 00 01 N | 080 44 33 W |
| Wilson Mill Pond | Reservoir | 55 | Richland | 34 00 01 N | 080 44 29 W |
| Wilson Mill Pond D-0594 Dam | Dam | 55 | Richland | 34 00 01 N | 080 44 29 W |
| Wilson Mill School (historical) | School | 35 | Clarendon | 33 40 36 N | 080 06 36 W |
| Wilson Pond | Reservoir | 113 | Aiken | 33 30 27 N | 081 45 03 W |
| Wilson Pond | Reservoir | 4 | Berkeley | 32 56 55 N | 079 56 06 W |
| Wilson School (historical) | School | 36 | Clarendon | 33 40 25 N | 080 06 35 W |
| Wilson School (historical) | School | 35 | Clarendon | 33 39 50 N | 080 06 59 W |
| Wilson School (historical) | School | 55 | Marlboro | 34 41 23 N | 079 46 22 W |
| Wilson Spring Creek | Stream | | McCormick | 33 58 52 N | 082 26 08 W |
| Wilson Union Church | Church | 36 | Clarendon | 33 39 49 N | 080 07 06 W |
| Wilson Union School (historical) | School | 35 | Clarendon | 33 39 53 N | 080 07 04 W |
| Wilson Vocational Annex | School | 128 | Richland | 34 06 48 N | 080 53 01 W |
| Wilsons Chapel | Church | 25 | Williamsburg | 33 43 47 N | 079 45 30 W |
| Wilsons Chapel | Church | 181 | York | 34 54 59 N | 081 22 22 W |
| Wilsons Creek | Stream | | Union | 34 28 34 N | 081 33 07 W |
| Wilsons Ferry (historical) | Crossing | 222 | Greenville | 34 38 35 N | 082 27 17 W |
| Wilsons Landing | Locale | 201 | Oconee | 34 38 29 N | 082 52 19 W |
| Wilsons Landing | Populated Place | 12 | Berkeley | 33 26 55 N | 080 09 42 W |
| Wilsons Mill (historical) | Locale | 215 | Anderson | 34 35 32 N | 082 27 25 W |
| Wilsons Store | Locale | 36 | Sumter | 33 56 21 N | 080 09 46 W |
| Wilsonville | Populated Place | 17 | Charleston | 32 54 51 N | 080 02 34 W |
| Wilton Graves Bridge | Bridge | 19 | Beaufort | 32 13 29 N | 080 46 56 W |
| Wimbee Creek | Stream | | Beaufort | 32 32 02 N | 080 34 41 W |
| Wimbley Branch School (historical) | School | 177 | Edgefield | 33 48 39 N | 081 41 23 W |
| Winchester Cemetery | Cemetery | 647 | Oconee | 34 58 15 N | 083 06 57 W |
| Windhams Crossroads | Populated Place | 52 | Darlington | 34 12 03 N | 080 02 01 W |
| Windi Knoll Lake | Reservoir | 79 | Lee | 34 13 37 N | 080 24 11 W |
| Windi Knoll Lake D-1723 Dam | Dam | 79 | Lee | 34 13 37 N | 080 24 11 W |
| Winding Stairs Trail | Trail | 489 | Oconee | 34 55 45 N | 083 05 09 W |
| Windjammer Village | Populated Place | 5 | Horry | 33 34 56 N | 079 00 51 W |
| Windlamtown School (historical) | School | 53 | Darlington | 34 11 43 N | 080 05 47 W |
| Windmill Harbor | Populated Place | 3 | Beaufort | 32 13 01 N | 080 46 39 W |
| Windmill Hill | Summit | 361 | Spartanburg | 35 04 08 N | 082 06 25 W |
| Windom Corner | Populated Place | 9 | Berkeley | 33 08 03 N | 079 42 44 W |
| Windsor | Populated Place | 118 | Aiken | 33 28 55 N | 081 30 49 W |
| Windsor Baptist Church | Church | 7 | Charleston | 32 50 29 N | 079 57 33 W |
| Windsor City Mobile Home Park | Populated Place | 52 | Sumter | 33 58 15 N | 080 23 52 W |
| Windsor Elementary School | School | 121 | Aiken | 33 28 40 N | 081 31 09 W |
| Windsor Estates | Populated Place | 84 | Richland | 34 05 04 N | 080 55 45 W |
| Windsor Forest | Populated Place | 42 | Florence | 34 12 05 N | 079 49 09 W |
| Windsor Forest | Populated Place | 224 | Spartanburg | 34 54 15 N | 081 53 19 W |
| Windsor Heights | Populated Place | 79 | Kershaw | 34 16 06 N | 080 38 28 W |
| Windsor Hills | Summit | 11 | Charleston | 32 56 31 N | 080 05 20 W |
| Windsor Lake | Reservoir | 64 | Richland | 34 04 05 N | 080 56 23 W |
| Windsor Lake Dam D-0571 | Dam | 64 | Richland | 34 04 05 N | 080 56 23 W |
| Windsor Lake Park (subdivision) | Populated Place | 69 | Richland | 34 04 14 N | 080 56 34 W |
| Windsor Oaks | Populated Place | 279 | Greenville | 34 54 03 N | 082 18 14 W |
| Windsor Park | Populated Place | 58 | Chesterfield | 34 42 04 N | 079 55 26 W |
| Windsor Park Freewill Baptist Church | Church | 56 | Chesterfield | 34 41 56 N | 079 55 24 W |
| Windsor Place (subdivision) | Populated Place | 233 | Anderson | 34 31 45 N | 082 37 39 W |