Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Seabourn Park | Park | 159 | Dallas | 32 45 30 N | 096 37 55 W |
| Seabourne Creek | Stream | | Fort Bend | 29 28 60 N | 095 49 05 W |
| Seabreeze Park | Park | 1 | Aransas | 28 01 55 N | 097 02 06 W |
| Seabrook | Populated Place | 4 | Harris | 29 33 51 N | 095 01 32 W |
| Seabrook Cemetery | Cemetery | 4 | Harris | 29 35 31 N | 094 59 43 W |
| Seabrook Intermediate School | School | 3 | Galveston | 29 34 18 N | 095 01 02 W |
| Seabrook Park | Park | 169 | Travis | 30 17 05 N | 097 42 06 W |
| Seabrook Shipyard Marina | Locale | 1 | Harris | 29 33 21 N | 095 01 24 W |
| Seacroft Baptist Church | Church | 238 | Bexar | 29 27 18 N | 098 36 09 W |
| Seadrift | Populated Place | 3 | Calhoun | 28 24 55 N | 096 42 49 W |
| Seadrift Cemetery | Cemetery | 4 | Calhoun | 28 25 31 N | 096 41 22 W |
| Seafood Warehouse Park Airport | Airport | 2 | Galveston | 29 27 56 N | 094 37 39 W |
| Seagoville | Populated Place | 134 | Dallas | 32 38 22 N | 096 32 18 W |
| Seagoville Airport | Airport | 126 | Dallas | 32 36 35 N | 096 31 37 W |
| Seagoville Alternative Learning Center | School | 137 | Dallas | 32 38 36 N | 096 32 39 W |
| Seagoville Elementary School | School | 135 | Dallas | 32 38 26 N | 096 32 27 W |
| Seagoville Federal Correctional Institution | Locale | 131 | Dallas | 32 39 12 N | 096 34 12 W |
| Seagoville First Baptist Church | Church | 136 | Dallas | 32 38 42 N | 096 32 44 W |
| Seagoville Middle School | School | 139 | Dallas | 32 40 56 N | 096 35 04 W |
| Seagoville Road Baptist Church | Church | 142 | Dallas | 32 42 17 N | 096 37 43 W |
| Seagoville Sewage Disposal | Locale | 113 | Dallas | 32 39 08 N | 096 31 28 W |
| Seagraves | Populated Place | 1021 | Gaines | 32 56 39 N | 102 33 54 W |
| Seagraves Airport | Airport | 1020 | Gaines | 32 57 00 N | 102 32 03 W |
| Seagraves Elementary School | School | 1023 | Gaines | 32 56 43 N | 102 34 13 W |
| Seagraves Junior High School | School | 1025 | Gaines | 32 56 54 N | 102 34 19 W |
| Seagraves-Loop Museum | Building | 991 | Gaines | 32 51 07 N | 102 27 48 W |
| Seahorn Ranch | Locale | 630 | Crockett | 30 27 33 N | 101 01 14 W |
| Seale | Populated Place | 127 | Limestone | 31 18 48 N | 096 22 22 W |
| Seale | Populated Place | 128 | Robertson | 31 18 48 N | 096 22 23 W |
| Seale Cemetery | Cemetery | 40 | Jasper | 30 56 41 N | 094 07 31 W |
| Seale Cemetery | Cemetery | 154 | Leon | 31 14 58 N | 096 03 05 W |
| Seale Creek | Stream | | Nolan | 32 23 13 N | 100 28 35 W |
| Seale Junior High School | School | 22 | Nueces | 27 47 44 N | 097 39 51 W |
| Seale Lake | Reservoir | 754 | Motley | 33 51 42 N | 100 51 07 W |
| Seale Lake | Reservoir | 97 | Robertson | 30 48 13 N | 096 27 07 W |
| Seale Lake Dam | Dam | 754 | Motley | 33 51 42 N | 100 51 07 W |
| Seale Lake Dam | Dam | 97 | Robertson | 30 48 13 N | 096 27 07 W |
| Seale Ranch Lake | Reservoir | 123 | Wilson | 29 03 07 N | 098 11 25 W |
| Seale Ranch Lake Dam | Dam | 123 | Wilson | 29 03 07 N | 098 11 25 W |
| Seale-Round Prairie Cemetery | Cemetery | 129 | Robertson | 31 17 43 N | 096 21 54 W |
| Seales Lakes | Lake | 131 | Lee | 30 09 60 N | 096 56 59 W |
| Seals Creek | Stream | | Caldwell | 29 40 04 N | 097 39 55 W |
| Seals Gully | Valley | | Harris | 30 02 13 N | 095 26 43 W |
| Seals Lake | Reservoir | 255 | Hood | 32 14 31 N | 097 55 55 W |
| Seals Lake Dam | Dam | 255 | Hood | 32 14 31 N | 097 55 55 W |
| Sealy | Populated Place | 61 | Austin | 29 46 51 N | 096 09 26 W |
| Sealy Cemetery | Cemetery | 53 | Austin | 29 47 49 N | 096 09 06 W |
| Sealy High School | School | 57 | Austin | 29 46 23 N | 096 09 36 W |
| Sealy Hutchings House | Building | 3 | Galveston | 29 17 32 N | 094 47 46 W |
| Sealy Junior High School | School | 57 | Austin | 29 46 23 N | 096 09 36 W |
| Seaman | Populated Place | 48 | Liberty | 30 21 58 N | 095 02 10 W |
| Seamans Chapel | Church | 101 | Tyler | 30 57 52 N | 094 32 08 W |
| Searcy Branch | Stream | | Wood | 32 51 25 N | 095 31 39 W |
| Searcy Cemetery | Cemetery | 144 | Wood | 32 50 47 N | 095 30 18 W |
| Sears Airport | Airport | 747 | Taylor | 32 12 15 N | 100 02 32 W |
| Searsville Church | Church | 190 | Bosque | 31 39 29 N | 097 30 19 W |
| Seaside Memorial Cemetery | Cemetery | 6 | Nueces | 27 43 59 N | 097 21 53 W |
| Seastrunk Cemetery | Cemetery | 126 | Smith | 32 25 29 N | 095 07 45 W |
| Seaton | Populated Place | 152 | Bell | 31 03 28 N | 097 12 58 W |
| Seaton Cemetery | Cemetery | 590 | Callahan | 32 18 27 N | 099 36 44 W |
| Seaton Cemetery | Cemetery | 264 | Coryell | 31 19 32 N | 097 34 20 W |
| Seaton Park | Park | 131 | Dallas | 32 42 35 N | 096 45 48 W |
| Seaway Village Marina | Locale | 2 | Cameron | 26 19 29 N | 097 27 24 W |
| Seawillow | Populated Place | 125 | Caldwell | 29 49 24 N | 097 36 20 W |
| Seawolf Park | Park | 1 | Galveston | 29 20 07 N | 094 46 44 W |
| Seay Behavioral Health Center | Hospital | 207 | Collin | 33 02 43 N | 096 50 02 W |
| Seay Lake | Reservoir | 90 | Jasper | 31 04 49 N | 093 58 43 W |
| Seay Lake Dam | Dam | 90 | Jasper | 31 04 49 N | 093 58 43 W |
| Sebastian | Populated Place | 12 | Willacy | 26 20 34 N | 097 47 25 W |
| Sebastopol | Populated Place | 48 | Trinity | 30 54 35 N | 095 14 59 W |
| Sebastopol Building | Building | 159 | Guadalupe | 29 34 10 N | 097 58 22 W |
| Seclusion | Populated Place | 47 | Lavaca | 29 18 03 N | 096 41 45 W |
| Seco Creek | Stream | | Maverick | 28 44 17 N | 100 30 24 W |
| Seco Creek | Stream | | Medina | 29 01 38 N | 099 08 24 W |
| Seco Mines | Populated Place | 223 | Maverick | 28 44 51 N | 100 29 50 W |
| Seco Mines Elementary School | School | 224 | Maverick | 28 44 49 N | 100 29 37 W |
| Seco Mountain | Summit | 620 | Bandera | 29 40 45 N | 099 23 04 W |
| Seco Pass | Gap | 581 | Bandera | 29 40 57 N | 099 23 19 W |
| Seco Reservoir | Reservoir | 1397 | Hudspeth | 31 24 49 N | 105 24 58 W |
| Second Avenue Baptist Church | Church | 140 | Navarro | 32 04 56 N | 096 29 54 W |
| Second Baptist Church | Church | 192 | Bexar | 29 25 13 N | 098 26 11 W |
| Second Baptist Church | Church | 5 | Calhoun | 28 36 01 N | 096 38 09 W |
| Second Baptist Church | Church | 163 | Dallas | 32 49 14 N | 096 40 45 W |
| Second Baptist Church | Church | 915 | Dawson | 32 44 44 N | 101 57 55 W |
| Second Baptist Church | Church | 1131 | El Paso | 31 45 26 N | 106 28 48 W |
| Second Baptist Church | Church | 30 | Fort Bend | 29 33 08 N | 095 47 18 W |
| Second Baptist Church | Church | 157 | Guadalupe | 29 33 47 N | 097 58 10 W |
| Second Baptist Church | Church | 10 | Harris | 29 44 02 N | 094 57 40 W |
| Second Baptist Church | Church | 116 | Harrison | 32 33 16 N | 094 21 55 W |
| Second Baptist Church | Church | 187 | Hays | 29 52 28 N | 097 57 18 W |
| Second Baptist Church | Church | 319 | Lampasas | 31 04 46 N | 098 10 08 W |
| Second Baptist Church | Church | 866 | Midland | 31 59 07 N | 102 06 35 W |
| Second Baptist Church | Church | 2 | Orange | 30 01 26 N | 093 50 01 W |
| Second Baptist Church | Church | 144 | Rusk | 32 09 10 N | 094 48 18 W |
| Second Baptist Church | Church | 6 | San Patricio | 27 54 45 N | 097 09 26 W |
| Second Baptist Church | Church | 31 | Tom Green | 31 26 02 N | 100 28 52 W |
| Second Baptist Church | Church | 29 | Victoria | 28 47 57 N | 096 59 05 W |
| Second Baptist Church | Church | 370 | Wilbarger | 34 09 16 N | 099 16 45 W |
| Second Baptist Church Heights | Church | 21 | Harris | 29 48 28 N | 095 24 46 W |
| Second Baptist Church of Deer Park | Church | 9 | Harris | 29 40 35 N | 095 07 32 W |
| Second Baptist Church of Highlands | Church | 12 | Harris | 29 49 08 N | 095 03 11 W |
| Second Baptist Church of La Porte | Church | 6 | Harris | 29 39 33 N | 095 05 54 W |
| Second Baptist Church of Pearland | Church | 15 | Brazoria | 29 31 54 N | 095 17 22 W |
| Second Baptist Church Park | Park | 192 | Bexar | 29 25 12 N | 098 26 06 W |
| Second Branch McGraw Creek | Stream | | Newton | 31 04 29 N | 093 39 48 W |
| Second Caney Creek | Stream | | Henderson | 32 14 22 N | 095 52 36 W |
| Second Canyon | Valley | | Crockett | 30 33 20 N | 101 38 43 W |
| Second Cavalcade Baptist Church | Church | 14 | Harris | 29 48 02 N | 095 18 37 W |
| Second Chain of Islands | Island | 2 | Calhoun | 28 11 19 N | 096 48 51 W |
| Second Chance High School | School | 202 | Tarrant | 32 48 43 N | 097 26 17 W |