Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Apache Lake | Reservoir | 183 | Travis | 30 23 01 N | 097 55 19 W |
| Apache Lake Dam | Dam | 183 | Travis | 30 23 01 N | 097 55 19 W |
| Apache Mountains | Range | 1620 | Culberson | 31 11 09 N | 104 21 25 W |
| Apache Park | Park | 144 | Dallas | 32 43 19 N | 096 39 12 W |
| Apache Peak | Summit | 1685 | Hudspeth | 31 29 05 N | 104 54 50 W |
| Apache Ranch | Locale | 159 | Webb | 27 56 22 N | 099 55 31 W |
| Apache Ranch | Locale | 196 | Webb | 27 57 49 N | 099 53 46 W |
| Apache Ranch Lake | Reservoir | 190 | Webb | 28 00 25 N | 099 52 13 W |
| Apache Ranch Lake Dam | Dam | 190 | Webb | 28 00 25 N | 099 52 13 W |
| Apache School | School | 903 | Pecos | 30 54 10 N | 102 52 52 W |
| Apache Spring | Spring | 1487 | Hudspeth | 31 27 30 N | 104 58 32 W |
| Apache Springs | Spring | 160 | Webb | 27 56 31 N | 099 55 31 W |
| Apache Tank | Reservoir | 1344 | Culberson | 31 32 52 N | 104 41 04 W |
| Apache Tank | Reservoir | 1507 | Hudspeth | 31 37 26 N | 105 41 26 W |
| Apache Well | Well | 1257 | Culberson | 31 30 03 N | 104 54 27 W |
| Apffel Park | Park | 1 | Galveston | 29 19 58 N | 094 43 59 W |
| Aplin Cove | Bay | 119 | Smith | 32 14 35 N | 095 10 49 W |
| Apollo Heights Baptist Chapel Church | Church | 1224 | El Paso | 31 54 54 N | 106 25 59 W |
| Apollo Junior High School | School | 187 | Dallas | 32 57 11 N | 096 41 46 W |
| Apollo Mission Control Center | Building | 5 | Harris | 29 33 30 N | 095 05 19 W |
| Apollo Park | Park | 29 | Hidalgo | 26 18 18 N | 098 09 24 W |
| Apollo Park | Park | 29 | Hidalgo | 26 18 20 N | 098 09 18 W |
| Apolonia | Populated Place | 126 | Grimes | 30 29 36 N | 095 54 36 W |
| Apostolic Assembly Church | Church | 12 | Cameron | 26 10 59 N | 097 42 37 W |
| Apostolic Assembly Church | Church | 135 | Dallas | 32 43 51 N | 096 43 03 W |
| Apostolic Assembly Church | Church | 204 | Denton | 33 12 19 N | 097 08 41 W |
| Apostolic Assembly Church | Church | 189 | Dimmit | 28 31 26 N | 099 51 51 W |
| Apostolic Assembly Church | Church | 1113 | El Paso | 31 36 40 N | 106 17 21 W |
| Apostolic Assembly Church | Church | 1122 | El Paso | 31 43 10 N | 106 21 28 W |
| Apostolic Assembly Church | Church | 3 | Galveston | 29 23 11 N | 094 56 14 W |
| Apostolic Assembly Church | Church | 14 | Harris | 29 46 24 N | 095 18 19 W |
| Apostolic Assembly Church | Church | 33 | Hidalgo | 26 11 51 N | 098 10 14 W |
| Apostolic Assembly Church | Church | 516 | Taylor | 32 29 05 N | 099 44 05 W |
| Apostolic Assembly Church | Church | 124 | Webb | 27 29 01 N | 099 28 17 W |
| Apostolic Assembly of Love Church | Church | 9 | Harris | 29 40 06 N | 095 14 40 W |
| Apostolic Assembly of the Faith in Christ Jesus Church | Church | 196 | Tarrant | 32 41 13 N | 097 18 47 W |
| Apostolic Church | Church | 162 | Dallas | 32 44 42 N | 097 00 14 W |
| Apostolic Church | Church | 1113 | El Paso | 31 38 06 N | 106 15 56 W |
| Apostolic Church | Church | 2 | Galveston | 29 16 33 N | 094 49 42 W |
| Apostolic Church | Church | 30 | Hidalgo | 26 17 50 N | 098 10 13 W |
| Apostolic Church | Church | 9 | Jefferson | 30 06 25 N | 094 08 28 W |
| Apostolic Church | Church | 820 | Reagan | 31 11 21 N | 101 27 43 W |
| Apostolic Church | Church | 101 | Sabine | 31 27 26 N | 093 56 27 W |
| Apostolic Church | Church | 109 | Sabine | 31 31 25 N | 093 57 53 W |
| Apostolic Church | Church | 85 | San Augustine | 31 32 50 N | 094 15 37 W |
| Apostolic Church | Church | 161 | Smith | 32 21 04 N | 095 17 03 W |
| Apostolic Church | Church | 277 | Uvalde | 29 12 12 N | 099 47 37 W |
| Apostolic Church | Church | 49 | Waller | 29 48 49 N | 095 58 52 W |
| Apostolic Church | Church | 797 | Ward | 31 35 24 N | 102 53 25 W |
| Apostolic Church of Pasadena | Church | 11 | Harris | 29 40 39 N | 095 08 40 W |
| Apostolic Faith Bible Fellowship Church | Church | 1204 | El Paso | 31 47 37 N | 106 22 28 W |
| Apostolic Faith Church | Church | 14 | Brazoria | 29 25 15 N | 095 15 28 W |
| Apostolic Faith Church | Church | 709 | Scurry | 32 43 02 N | 100 55 34 W |
| Apostolic Faith Mission Church | Church | 12 | Harris | 29 43 54 N | 095 20 48 W |
| Apostolic Faith United Pentecostal Church | Church | 321 | Wichita | 34 05 47 N | 098 34 30 W |
| Apostolic Heritage Church | Church | 81 | Bowie | 33 20 04 N | 094 04 20 W |
| Apostolic House of Prayer Church | Church | 14 | Harris | 29 39 40 N | 095 20 55 W |
| Apostolic Lighthouse Church | Church | 378 | Stephens | 32 45 19 N | 098 53 01 W |
| Apostolic Temple Church | Church | 7 | Aransas | 27 56 00 N | 097 09 03 W |
| Apostolic Temple Church | Church | 162 | Dallas | 32 44 43 N | 097 00 11 W |
| Apostolic Temple Church | Church | 10 | Harris | 29 40 19 N | 095 13 16 W |
| Apostolica Iglesia Church | Church | 19 | Harris | 29 51 10 N | 095 20 13 W |
| Appelt Hill | Populated Place | 86 | Lavaca | 29 31 06 N | 096 54 32 W |
| Apperson Cemetery | Cemetery | 77 | Washington | 30 07 02 N | 096 12 39 W |
| Apple Creek | Stream | | Glasscock | 31 50 23 N | 101 22 48 W |
| Apple Orchard Creek | Stream | | Gray | 35 13 05 N | 100 55 05 W |
| Apple Spring | Spring | 1262 | Reeves | 30 51 60 N | 103 42 36 W |
| Apple Spring | Spring | 324 | Travis | 30 33 50 N | 097 54 43 W |
| Apple Spring Hollow | Valley | | Travis | 30 33 38 N | 097 54 14 W |
| Apple Springs | Populated Place | 77 | Trinity | 31 13 25 N | 094 57 59 W |
| Apple Springs | Spring | 87 | Trinity | 31 13 31 N | 094 58 31 W |
| Apple Springs Forest Service Facility | Locale | 91 | Trinity | 31 13 19 N | 094 59 10 W |
| Apple Valley | Valley | | Kerr | 30 03 43 N | 098 59 45 W |
| Appleby | Populated Place | 126 | Nacogdoches | 31 42 59 N | 094 36 18 W |
| Appleby Church | Church | 124 | Nacogdoches | 31 43 21 N | 094 37 06 W |
| Appling Cemetery | Cemetery | 134 | Guadalupe | 29 38 52 N | 097 45 45 W |
| Appling Cemetery | Cemetery | 120 | Guadalupe | 29 40 32 N | 097 43 24 W |
| Appurceon Creek | Stream | | Dimmit | 28 28 52 N | 099 33 01 W |
| April Fool Point | Cape | -2 | Galveston | 29 28 16 N | 094 55 30 W |
| Aqua Adentro Spring | Spring | 1096 | Presidio | 29 29 38 N | 104 06 10 W |
| Aqua Fria Creek | Stream | | Dallam | 36 29 51 N | 102 44 08 W |
| Aqua Fria Mountain | Summit | 1458 | Brewster | 29 30 58 N | 103 38 41 W |
| Aqua Fria Spring | Spring | 1129 | Brewster | 29 31 31 N | 103 40 23 W |
| Aqua Fria Spring | Spring | 1227 | Dallam | 36 26 01 N | 102 30 50 W |
| Aqua Friw | Spring | 1273 | Reeves | 30 49 31 N | 103 38 15 W |
| Aqua Negra Banco Number 109 | Levee | 20 | Hidalgo | 26 04 16 N | 097 59 38 W |
| Aqua Primera | Spring | 1217 | Reeves | 30 49 42 N | 103 37 53 W |
| Aqua Sola Windmill | Locale | 121 | Live Oak | 28 11 47 N | 098 16 57 W |
| Aqua Verde Windmill | Locale | 141 | Live Oak | 28 10 44 N | 098 18 22 W |
| Aquage Windmill | Locale | 20 | Hidalgo | 26 35 46 N | 098 03 46 W |
| Aquarena Dam | Dam | 175 | Hays | 29 53 25 N | 097 56 01 W |
| Aquarena Springs Museum | Building | 191 | Hays | 29 51 19 N | 097 57 33 W |
| Aquilla | Populated Place | 159 | Hill | 31 51 06 N | 097 13 05 W |
| Aquilla Creek | Stream | | McLennan | 31 39 54 N | 097 10 06 W |
| Aquilla Creek | Stream | | San Patricio | 28 07 47 N | 097 40 21 W |
| Aquilla Dam | Dam | 155 | Hill | 31 54 49 N | 097 12 31 W |
| Aquilla Lake | Reservoir | 155 | Hill | 31 54 49 N | 097 12 31 W |
| Arabella Mountain | Summit | 1798 | Jeff Davis | 30 37 21 N | 103 59 44 W |
| Arah | Populated Place | 749 | Scurry | 32 45 29 N | 101 08 06 W |
| Araņa Creek | Stream | | Kleberg | 27 19 19 N | 097 41 02 W |
| Araņa Lake | Lake | 9 | Kleberg | 27 19 48 N | 097 48 39 W |
| Aransas Bay | Bay | 2 | Aransas | 28 03 01 N | 096 59 30 W |
| Aransas Channel | Channel | 7 | Nueces | 27 52 24 N | 097 05 22 W |
| Aransas City Park | Park | 3 | San Patricio | 27 54 43 N | 097 08 39 W |
| Aransas County | Civil | 0 | Aransas | 28 06 01 N | 096 59 01 W |
| Aransas County Airport | Airport | 7 | Aransas | 28 05 13 N | 097 02 41 W |
| Aransas County Navigation District Marina | Locale | 1 | Aransas | 28 01 26 N | 097 02 59 W |
| Aransas Creek | Stream | | Bee | 28 16 51 N | 097 40 17 W |
| Aransas National Wildlife Refuge | Park | 4 | Aransas | 28 14 01 N | 096 54 01 W |
| Aransas National Wildlife Refuge Airport | Airport | 1 | Calhoun | 28 07 02 N | 096 48 01 W |