Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Solid Rock Baptist Church | Church | 138 | Travis | 30 15 28 N | 097 41 00 W |
| Solid Rock Fellowship Baptist Church | Church | 153 | Dallas | 32 47 43 N | 096 38 01 W |
| Solid Rock Fellowship Church | Church | 3 | Matagorda | 28 43 09 N | 096 12 38 W |
| Solid Rock First Baptist Church | Church | 162 | Dallas | 32 44 02 N | 096 48 41 W |
| Solid Rock Missionary Baptist Church | Church | 134 | Dallas | 32 43 11 N | 096 42 33 W |
| Solid Rock Missionary Baptist Church | Church | 158 | Denton | 33 02 27 N | 096 59 31 W |
| Solid Rock Missionary Baptist Church | Church | 14 | Harris | 29 48 12 N | 095 20 06 W |
| Solid Rock Missionary Baptist Church | Church | 3 | Orange | 30 06 24 N | 093 44 32 W |
| Solino | Populated Place | 26 | Hidalgo | 26 29 18 N | 098 07 58 W |
| Solis | Populated Place | 581 | Brewster | 29 03 41 N | 103 05 59 W |
| Solis | Populated Place | 18 | Cameron | 26 09 42 N | 097 50 37 W |
| Solis Colonia | Populated Place | 17 | Cameron | 26 10 13 N | 097 50 47 W |
| Solis Colonia | Populated Place | 43 | Starr | 26 16 24 N | 098 38 32 W |
| Solis Landing | Populated Place | 577 | Brewster | 29 02 40 N | 103 06 20 W |
| Solis Middle School | School | 27 | Hidalgo | 26 09 43 N | 098 03 26 W |
| Solis Spring | Spring | 636 | Brewster | 29 05 46 N | 103 08 20 W |
| Solisenito Banco Number 81 | Levee | 14 | Cameron | 26 02 50 N | 097 47 18 W |
| Soliseno Banco Number 23 | Levee | 16 | Cameron | 26 02 34 N | 097 46 58 W |
| Solitario Peak | Summit | 1382 | Presidio | 29 27 60 N | 103 50 24 W |
| Solizes Cemetery | Cemetery | 43 | Starr | 26 16 24 N | 098 38 41 W |
| Solms | Populated Place | 203 | Comal | 29 39 57 N | 098 10 15 W |
| Solo | Locale | 877 | Ector | 31 52 48 N | 102 17 52 W |
| Solo Cristo Salva Baptist Church | Church | 235 | Bexar | 29 27 45 N | 098 33 41 W |
| Solo Ranch | Locale | 229 | Duval | 27 35 59 N | 098 43 15 W |
| Solomon Canyon | Valley | | Jeff Davis | 30 55 41 N | 104 03 08 W |
| Solomon Johnson Park | Park | 2 | Orange | 30 06 18 N | 093 43 44 W |
| Solomon Mountain | Summit | 524 | Gillespie | 30 28 45 N | 098 40 20 W |
| Solomon P Ortiz Intermediate School | School | 23 | Nueces | 27 47 50 N | 097 39 60 W |
| Solomon Temple | Church | 42 | Harris | 30 00 37 N | 095 34 58 W |
| Solomon Temple Baptist Church | Church | 491 | Jones | 32 56 52 N | 099 48 30 W |
| Solomon Temple Church of God in Christ | Church | 42 | Harris | 30 00 38 N | 095 34 59 W |
| Solomon Temple Missionary Baptist Church | Church | 172 | Dallas | 32 35 54 N | 096 51 25 W |
| Solonsville Church | Church | 54 | Lavaca | 29 21 28 N | 096 45 50 W |
| Somang Korean Baptist Church | Church | 151 | Dallas | 32 49 47 N | 096 55 47 W |
| Sombrerito Creek | Stream | | Webb | 27 36 50 N | 099 33 25 W |
| Sombrero Peak | Summit | 1173 | Brewster | 29 29 32 N | 103 19 26 W |
| Sombrero Peak Ranch | Locale | 995 | Brewster | 29 29 10 N | 103 18 39 W |
| Sombrero Windmill | Locale | 135 | Duval | 27 48 48 N | 098 20 52 W |
| Somerset | Populated Place | 197 | Bexar | 29 13 35 N | 098 39 28 W |
| Somerset Elementary School | School | 194 | Bexar | 29 13 34 N | 098 39 13 W |
| Somerset Intermediate School | School | 195 | Bexar | 29 13 34 N | 098 39 09 W |
| Somerset Junior High School | School | 195 | Bexar | 29 13 34 N | 098 39 09 W |
| Somerset Oil Field | Oilfield | 203 | Bexar | 29 12 04 N | 098 41 35 W |
| Somerset Stadium | Park | 200 | Bexar | 29 13 40 N | 098 39 20 W |
| Somervell County | Civil | 206 | Somervell | 32 14 01 N | 097 46 01 W |
| Somervell County Museum | Building | 189 | Somervell | 32 14 07 N | 097 45 23 W |
| Somerville | Populated Place | 76 | Burleson | 30 20 46 N | 096 31 42 W |
| Somerville Dam | Dam | 73 | Burleson | 30 19 32 N | 096 31 39 W |
| Somerville Historical Museum | Building | 101 | Burleson | 30 26 13 N | 096 30 02 W |
| Somerville Lake | Reservoir | 73 | Burleson | 30 19 32 N | 096 31 39 W |
| Somerville Wildlife Management Area | Park | 79 | Lee | 30 19 58 N | 096 45 18 W |
| Sommerford Cemetery | Cemetery | 92 | Grimes | 30 20 07 N | 096 01 52 W |
| Sommerlotte Cemetery | Cemetery | 107 | Colorado | 29 47 22 N | 096 29 36 W |
| Sommers Cemetery | Cemetery | 107 | Fayette | 29 42 58 N | 097 10 15 W |
| Sommers Mill | Populated Place | 139 | Bell | 30 58 12 N | 097 25 54 W |
| Sommerville Bayou | Gut | 0 | Refugio | 28 25 14 N | 096 46 44 W |
| Son Chapman Draw | Valley | | Crockett | 30 35 16 N | 101 02 43 W |
| Soncy | Populated Place | 1137 | Potter | 35 11 20 N | 101 56 33 W |
| Songbird Ranch Airport | Airport | 10 | Brazoria | 29 22 07 N | 095 20 24 W |
| Sonntag Cemetery | Cemetery | 220 | Collin | 33 07 25 N | 096 49 22 W |
| Sonny Broussard Landing Strip | Airport | 11 | Jefferson | 29 59 27 N | 094 25 21 W |
| Sonny Oats Lake Number 1 | Reservoir | 106 | Upshur | 32 39 31 N | 094 55 31 W |
| Sonny Oats Lake Number 1 Dam | Dam | 106 | Upshur | 32 39 31 N | 094 55 31 W |
| Sonny Oats Lake Number 2 | Reservoir | 118 | Upshur | 32 39 37 N | 094 55 43 W |
| Sonny Oats Lake Number 2 Dam | Dam | 118 | Upshur | 32 39 37 N | 094 55 43 W |
| Sonoma | Populated Place | 152 | Ellis | 32 20 26 N | 096 36 36 W |
| Sonora | Populated Place | 649 | Sutton | 30 34 01 N | 100 38 36 W |
| Sonora Cemetery | Cemetery | 163 | Hunt | 33 18 31 N | 095 56 13 W |
| Sonora Elementary School | School | 650 | Sutton | 30 33 57 N | 100 38 30 W |
| Sonora High School | School | 650 | Sutton | 30 33 57 N | 100 38 30 W |
| Sonora Junior High School | School | 650 | Sutton | 30 33 57 N | 100 38 30 W |
| Sonora Municipal Airport | Airport | 651 | Sutton | 30 35 09 N | 100 38 55 W |
| Sonrise Baptist Church | Church | 1162 | Deaf Smith | 34 49 31 N | 102 22 60 W |
| Sonrise Baptist Church | Church | 141 | McLennan | 31 28 34 N | 097 07 09 W |
| Sons of God New Testament Holiness Church | Church | 1203 | El Paso | 31 49 50 N | 106 26 43 W |
| Sons of Herman Cemetery | Cemetery | 121 | DeWitt | 29 20 14 N | 097 15 01 W |
| Sons Well | Well | 726 | Brewster | 29 39 31 N | 103 04 10 W |
| Sonset Fellowship Church | Church | 180 | Tarrant | 32 52 54 N | 097 06 52 W |
| Sony Microelectronics Helistop | Airport | 232 | Bexar | 29 26 41 N | 098 38 25 W |
| Sookie Creek | Stream | | Houston | 31 14 46 N | 095 26 08 W |
| Sophienburg Museum and Archives | Building | 201 | Comal | 29 41 54 N | 098 07 27 W |
| Sordo Well | Locale | 9 | Kleberg | 27 25 09 N | 097 23 28 W |
| Sordo Well | Well | 6 | Kenedy | 26 58 57 N | 097 40 27 W |
| Sordo Windmill | Locale | 166 | Starr | 26 46 33 N | 098 41 06 W |
| Sore Finger Creek | Stream | | Williamson | 30 42 14 N | 097 19 13 W |
| Sore Finger Wildlife Area | Park | 160 | Williamson | 30 42 59 N | 097 21 54 W |
| SoRelle Lake | Reservoir | 616 | Kent | 33 04 01 N | 100 32 46 W |
| Sorelle Ranch | Locale | 1072 | Randall | 35 03 02 N | 101 40 02 W |
| Sorensen Elementary School | School | 33 | Hidalgo | 26 11 17 N | 098 09 34 W |
| Sorensen School | School | 33 | Hidalgo | 26 11 15 N | 098 09 31 W |
| Sorghumville | Populated Place | 91 | Houston | 31 03 25 N | 095 30 31 W |
| Sorghumville School (historical) | School | 91 | Houston | 31 03 26 N | 095 30 31 W |
| Sorillo Windmill | Locale | 30 | Brooks | 27 05 47 N | 098 03 47 W |
| Sorio Windmill | Locale | 200 | Jim Hogg | 27 03 39 N | 098 46 04 W |
| Soroptomists Crippled Childrens Camp | Locale | 185 | Denton | 33 05 39 N | 097 06 41 W |
| Sorrel Creek | Stream | | Comal | 29 55 06 N | 098 13 21 W |
| Sorrell Ranch | Locale | 482 | San Saba | 31 05 54 N | 099 04 52 W |
| Sorrell Windmill | Locale | 518 | McCulloch | 31 06 26 N | 099 06 13 W |
| Sorrelle | Populated Place | 34 | Wharton | 29 20 21 N | 096 09 35 W |
| Sorrells Creek | Stream | | Coryell | 31 15 04 N | 097 58 06 W |
| Sosa Peak | Summit | 1161 | Brewster | 29 52 24 N | 103 14 24 W |
| Sosebees Bluff | Cliff | 158 | Bosque | 31 51 38 N | 097 22 15 W |
| Sotelo Cemetery | Cemetery | 109 | Atascosa | 28 58 46 N | 098 26 57 W |
| Sotira Estates Colonia | Populated Place | 40 | Hidalgo | 26 12 55 N | 098 22 56 W |
| Soto Canyon | Valley | | Val Verde | 30 13 22 N | 101 28 26 W |
| Soto Mountain | Summit | 589 | Bandera | 29 41 55 N | 099 17 02 W |
| Soto Tank | Reservoir | 589 | Edwards | 30 04 25 N | 100 40 17 W |
| Sotol Draw | Valley | | Reeves | 31 09 19 N | 103 49 12 W |
| Sotol Hill | Summit | 1220 | Reeves | 31 02 53 N | 103 59 11 W |
| Sotol Vista Overlook | Locale | 1297 | Brewster | 29 12 53 N | 103 22 37 W |