Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| South Marshall School | School | 117 | Harrison | 32 31 53 N | 094 21 58 W |
| South Marys Creek | Stream | | Parker | 32 42 57 N | 097 30 21 W |
| South Mayde Creek | Stream | | Harris | 29 46 22 N | 095 37 23 W |
| South McKinney Street Baptist Church | Church | 156 | Limestone | 31 40 26 N | 096 28 55 W |
| South McKittrick Canyon | Valley | | Culberson | 31 59 00 N | 104 46 52 W |
| South Memorial Baptist Church | Church | 855 | Midland | 31 58 57 N | 102 05 20 W |
| South Mesa | Summit | 1348 | Hudspeth | 31 34 29 N | 105 03 23 W |
| South Mesquite Creek | Stream | | Burnet | 30 58 37 N | 098 10 50 W |
| South Mesquite Creek | Stream | | Dallas | 32 42 03 N | 096 31 51 W |
| South Mesquite Creek | Stream | | Hamilton | 31 45 47 N | 098 14 38 W |
| South Middle School | School | 31 | Hidalgo | 26 17 19 N | 098 10 14 W |
| South Middle School | School | 960 | Hutchinson | 35 39 02 N | 101 23 29 W |
| South Mill Creek Church | Church | 17 | Jasper | 30 23 41 N | 094 01 29 W |
| South Mineral Creek | Stream | | Robertson | 31 06 25 N | 096 24 36 W |
| South Minnesota Road Colonia | Populated Place | 44 | Hidalgo | 26 13 56 N | 098 22 45 W |
| South Minnesota Road Colonia Number 2 | Populated Place | 43 | Hidalgo | 26 13 53 N | 098 22 49 W |
| South Minnesota Road Colonia Number 3 | Populated Place | 43 | Hidalgo | 26 13 53 N | 098 22 38 W |
| South Mountain | Populated Place | 311 | Coryell | 31 25 40 N | 097 40 39 W |
| South Mountain | Summit | 843 | Howard | 32 13 22 N | 101 27 32 W |
| South Mustang Draw | Valley | | Reagan | 31 25 32 N | 101 17 14 W |
| South Mustang Windmill | Locale | 752 | Reagan | 31 18 39 N | 101 19 34 W |
| South New Well Windmill | Locale | 957 | Reeves | 31 02 58 N | 103 45 49 W |
| South Nichols Lake | Reservoir | 123 | Henderson | 32 09 55 N | 095 48 01 W |
| South Nichols Lake Dam | Dam | 123 | Henderson | 32 09 55 N | 095 48 01 W |
| South Nix Oil Field | Oilfield | 996 | Andrews | 32 14 45 N | 102 45 25 W |
| South Nolan Creek | Stream | | Bell | 31 04 37 N | 097 31 28 W |
| South Norton Tank | Reservoir | 1346 | Hudspeth | 31 26 42 N | 105 13 54 W |
| South Oak Cliff Baptist Church | Church | 166 | Dallas | 32 41 45 N | 096 48 52 W |
| South Oak Cliff High School | School | 174 | Dallas | 32 41 59 N | 096 48 53 W |
| South Oak Saint Church of Christ | Church | 130 | Rusk | 32 09 14 N | 094 47 23 W |
| South Odom Windmill | Locale | 729 | Crockett | 30 27 43 N | 101 25 38 W |
| South Onion Creek | Stream | | Hays | 30 08 46 N | 098 04 33 W |
| South Open Hollow | Valley | | Val Verde | 29 54 04 N | 100 49 47 W |
| South Open Space Reserve | Park | 1269 | El Paso | 31 49 29 N | 106 27 46 W |
| South Orla Oil Field | Oilfield | 852 | Reeves | 31 44 21 N | 103 49 31 W |
| South Overton Dam | Dam | 140 | Smith | 32 16 19 N | 094 59 19 W |
| South Overton Lake | Reservoir | 140 | Smith | 32 16 19 N | 094 59 19 W |
| South Overton Residential Historic District | Locale | 979 | Lubbock | 33 35 01 N | 101 52 15 W |
| South Padre Island | Populated Place | 2 | Cameron | 26 06 13 N | 097 09 53 W |
| South Palm Gardens Estates Number 1 Colonia | Populated Place | 22 | Hidalgo | 26 08 54 N | 097 57 19 W |
| South Palm Gardens Estates Number 2 Colonia | Populated Place | 21 | Hidalgo | 26 08 57 N | 097 57 19 W |
| South Palm Gardens High School | School | 19 | Hidalgo | 26 08 38 N | 097 56 11 W |
| South Palm Gardens School | School | 21 | Hidalgo | 26 08 51 N | 097 57 05 W |
| South Palo Duro Creek | Stream | | Hutchinson | 36 06 06 N | 101 27 54 W |
| South Paluxy River | Stream | | Erath | 32 21 17 N | 098 01 44 W |
| South Paris High School | School | 161 | Lamar | 33 38 25 N | 095 31 60 W |
| South Park | Park | 30 | Hidalgo | 26 17 08 N | 098 09 45 W |
| South Park | Park | 31 | Hidalgo | 26 17 09 N | 098 09 46 W |
| South Park Assembly of God Church | Church | 178 | Ellis | 32 22 46 N | 096 51 17 W |
| South Park Baptist Church | Church | 13 | Harris | 29 40 26 N | 095 20 02 W |
| South Park Baptist Church | Church | 6 | Jefferson | 30 02 38 N | 094 05 23 W |
| South Park Baptist Church | Church | 985 | Lubbock | 33 31 10 N | 101 52 04 W |
| South Park Baptist Church of Alvin | Church | 15 | Harris | 29 46 23 N | 095 22 25 W |
| South Park Church | Church | 11 | Brazoria | 29 24 30 N | 095 15 04 W |
| South Park Church of Christ | Church | 6 | Jefferson | 30 02 31 N | 094 04 21 W |
| South Park Church of God - Anderson | Church | 13 | Harris | 29 41 39 N | 095 20 42 W |
| South Park High School | School | 6 | Jefferson | 30 02 33 N | 094 05 05 W |
| South Park Junior High School | School | 10 | Nueces | 27 43 58 N | 097 24 53 W |
| South Park Middle School | School | 6 | Jefferson | 30 02 35 N | 094 05 09 W |
| South Park Middle School | School | 10 | Nueces | 27 44 02 N | 097 24 53 W |
| South Parker Tank | Reservoir | 371 | Wilbarger | 33 53 10 N | 099 11 55 W |
| South Pass | Channel | 2 | Calhoun | 28 17 53 N | 096 37 12 W |
| South Pass Island | Island | 0 | Calhoun | 28 17 47 N | 096 37 18 W |
| South Pass Lake | Bay | 7 | Calhoun | 28 17 32 N | 096 35 22 W |
| South Pasture Spring | Spring | 586 | Kimble | 30 25 53 N | 099 23 57 W |
| South Pasture Tank | Reservoir | 1059 | Hockley | 33 47 04 N | 102 27 49 W |
| South Pasture Tanks | Reservoir | 763 | Howard | 32 31 05 N | 101 22 16 W |
| South Pasture Windmill | Locale | 1060 | Hockley | 33 46 49 N | 102 27 54 W |
| South Pasture Windmill | Locale | 588 | McCulloch | 31 03 08 N | 099 29 08 W |
| South Pasture Windmill | Locale | 1166 | Potter | 34 49 46 N | 102 04 43 W |
| South Pecos School | School | 792 | Reeves | 31 24 21 N | 103 30 32 W |
| South Perkins Windmill | Locale | 889 | Upton | 31 35 19 N | 102 17 42 W |
| South Plains | Populated Place | 980 | Floyd | 34 13 28 N | 101 18 35 W |
| South Plains Fairground | Locale | 974 | Lubbock | 33 35 19 N | 101 50 04 W |
| South Plains Junior College | School | 1069 | Hockley | 33 34 37 N | 102 21 47 W |
| South Plum Creek | Stream | | Moore | 35 39 27 N | 101 47 40 W |
| South Point | Populated Place | 5 | Cameron | 25 52 07 N | 097 23 01 W |
| South Point Church | Church | 52 | Colorado | 29 30 32 N | 096 25 39 W |
| South Point Colonia | Populated Place | 6 | Cameron | 25 51 51 N | 097 23 32 W |
| South Pole Canyon | Valley | | Kent | 33 24 20 N | 100 36 06 W |
| South Pollack Well | Well | 1301 | Hartley | 35 46 38 N | 103 01 27 W |
| South Pond | Reservoir | 1453 | Hudspeth | 31 12 20 N | 105 08 60 W |
| South Pope Park | Park | 8 | Nueces | 27 44 10 N | 097 22 52 W |
| South Post Oak Baptist Church | Church | 17 | Harris | 29 36 29 N | 095 23 11 W |
| South Prairie Cemetery | Cemetery | 345 | Stephens | 32 54 37 N | 098 42 45 W |
| South Prong Baptist Church | Church | 183 | Ellis | 32 22 26 N | 096 51 27 W |
| South Prong Coon Creek | Stream | | Bosque | 31 49 09 N | 097 21 56 W |
| South Prong Cottonwood Creek | Stream | | Llano | 30 33 37 N | 098 31 11 W |
| South Prong Creek | Stream | | Ellis | 32 20 33 N | 096 48 13 W |
| South Prong Creek | Stream | | Sabine | 31 12 13 N | 093 44 11 W |
| South Prong Cypress Creek | Stream | | Real | 29 48 47 N | 099 39 16 W |
| South Prong Dam | Dam | 149 | Ellis | 32 20 31 N | 096 48 19 W |
| South Prong Horse Creek | Stream | | San Saba | 31 18 26 N | 098 39 14 W |
| South Prong Indian Creek | Stream | | Newton | 31 07 46 N | 093 36 58 W |
| South Prong Little Red River | Stream | | Briscoe | 34 27 01 N | 101 03 05 W |
| South Prong Long Creek | Stream | | Shackelford | 32 39 22 N | 099 35 13 W |
| South Prong Marler Creek | Stream | | Real | 29 47 55 N | 099 35 56 W |
| South Prong Meridan Creek | Stream | | Hamilton | 31 47 37 N | 097 51 21 W |
| South Prong Moss Creek | Stream | | Howard | 32 11 38 N | 101 22 41 W |
| South Prong Pecan Bayou | Stream | | Taylor | 32 13 06 N | 099 26 25 W |
| South Prong Sand Creek | Stream | | Lipscomb | 36 09 55 N | 100 23 27 W |
| South Purmela | Populated Place | 328 | Coryell | 31 28 12 N | 097 58 20 W |
| South Ratliff Street Colonia | Populated Place | 12 | Cameron | 26 07 49 N | 097 39 33 W |
| South Rector Canyon | Valley | | Culberson | 31 55 29 N | 104 32 23 W |
| South Red Tank | Reservoir | 750 | Borden | 32 35 52 N | 101 30 56 W |
| South Reservoir | Reservoir | 25 | Hidalgo | 26 35 03 N | 098 10 18 W |
| South Ridge Estates Lake | Reservoir | 188 | Hays | 29 48 43 N | 097 58 49 W |
| South Ridge Estates Lake Dam | Dam | 188 | Hays | 29 48 43 N | 097 58 49 W |
| South Rim | Cliff | 2050 | Brewster | 29 13 54 N | 103 17 26 W |
| South Rim Trail - Boot Springs Trail | Trail | 2063 | Brewster | 29 13 46 N | 103 17 44 W |