Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Assumption Cemetery | Cemetery | 20 | Jackson | 29 02 33 N | 096 31 50 W |
| Assumption Cemetery | Cemetery | 201 | Travis | 30 13 18 N | 097 45 02 W |
| Assumption Church | Church | 2 | Galveston | 29 18 12 N | 094 47 16 W |
| Assumption Church Hall | Church | 1225 | El Paso | 31 49 11 N | 106 27 06 W |
| Assumption of Mary Catholic Church | Church | 288 | Wichita | 33 55 16 N | 098 30 05 W |
| Assumption Seminary | School | 215 | Bexar | 29 27 14 N | 098 32 42 W |
| Assured Faith Church of God in Christ | Church | 183 | Tarrant | 32 43 02 N | 097 14 23 W |
| Astin | Populated Place | 77 | Robertson | 30 42 25 N | 096 33 48 W |
| Aston Building | Building | 196 | Collin | 33 09 46 N | 096 21 35 W |
| Astroarena | Park | 16 | Harris | 29 40 54 N | 095 24 24 W |
| Astrodome | Building | 16 | Harris | 29 41 06 N | 095 24 27 W |
| Astrodome | Park | 16 | Harris | 29 41 06 N | 095 24 29 W |
| Astroland Park | Park | 36 | Hidalgo | 26 12 16 N | 098 19 18 W |
| At Last Marina | Locale | 0 | Calhoun | 28 38 08 N | 096 21 23 W |
| Atapco Oil Field | Oilfield | 729 | Crane | 31 18 12 N | 102 44 35 W |
| Atascocita | Populated Place | 22 | Harris | 29 59 56 N | 095 10 36 W |
| Atascocita Branch Library | Building | 131 | Harris | 32 23 40 N | 095 09 23 W |
| Atascocita Country Club | Locale | 19 | Harris | 30 00 37 N | 095 08 48 W |
| Atascocita Middle School | School | 13 | Harris | 30 01 20 N | 095 10 47 W |
| Atascocita United Methodist Church | Church | 20 | Harris | 30 00 15 N | 095 09 16 W |
| Atascosa | Populated Place | 198 | Bexar | 29 16 01 N | 098 43 55 W |
| Atascosa City Park | Park | 107 | Atascosa | 28 58 24 N | 098 28 57 W |
| Atascosa County | Civil | 112 | Atascosa | 28 51 01 N | 098 32 01 W |
| Atascosa County Alternative School - Jourdanton | School | 146 | Atascosa | 28 54 44 N | 098 32 26 W |
| Atascosa County Alternative School - Pleasanton | School | 144 | Atascosa | 28 55 16 N | 098 32 49 W |
| Atascosa Cowboy Recreation Center | Park | 115 | Atascosa | 28 59 04 N | 098 28 57 W |
| Atascosa First Seventh Day Adventist Church | Church | 113 | Atascosa | 28 58 19 N | 098 28 26 W |
| Atascosa River | Stream | | Live Oak | 28 29 26 N | 098 11 57 W |
| Atascosa River Park | Park | 107 | Atascosa | 28 57 34 N | 098 28 42 W |
| Atascosito | Populated Place | 7 | Liberty | 30 05 31 N | 094 45 46 W |
| Atascosito Crossing (historical) | Populated Place | 44 | Colorado | 29 39 44 N | 096 27 02 W |
| Atascoso Creek | Stream | | Nacogdoches | 31 30 46 N | 094 32 21 W |
| Atchison, Topeka and Santa Fe Railway Company Depot | Building | 1116 | Potter | 35 12 30 N | 101 49 38 W |
| Atco | Populated Place | 191 | McLennan | 31 28 48 N | 097 14 43 W |
| Atelier Building | Building | 187 | Tarrant | 32 45 05 N | 097 19 50 W |
| Ater | Populated Place | 257 | Coryell | 31 31 24 N | 097 51 40 W |
| Athena West Colonia | Populated Place | 1114 | El Paso | 31 36 58 N | 106 13 18 W |
| Athens | Populated Place | 149 | Henderson | 32 12 18 N | 095 51 20 W |
| Athens Avenue School | School | 200 | Bexar | 29 22 01 N | 098 32 56 W |
| Athens Church | Church | 109 | Harrison | 32 34 39 N | 094 32 54 W |
| Athens City Park | Park | 142 | Henderson | 32 11 54 N | 095 51 23 W |
| Athens Community Church | Church | 150 | Henderson | 32 12 02 N | 095 51 09 W |
| Athens Elementary School | School | 200 | Bexar | 29 21 60 N | 098 32 59 W |
| Athens Fish and Game Club Dam | Dam | 145 | Henderson | 32 14 07 N | 095 46 37 W |
| Athens Fish and Game Club Lake | Reservoir | 145 | Henderson | 32 14 03 N | 095 46 44 W |
| Athens High School | School | 147 | Henderson | 32 12 11 N | 095 50 44 W |
| Athens Intermediate School | School | 149 | Henderson | 32 11 59 N | 095 51 09 W |
| Athens Lake | Reservoir | 139 | Henderson | 32 12 16 N | 095 43 32 W |
| Athens Middle School | School | 148 | Henderson | 32 12 11 N | 095 50 49 W |
| Athens Municipal Airport | Airport | 136 | Henderson | 32 09 50 N | 095 49 43 W |
| Atherton Elementary School | School | 14 | Harris | 29 46 46 N | 095 19 16 W |
| Atherton Elementary School | School | 180 | Tarrant | 32 41 42 N | 097 04 33 W |
| Atherton Elementary SPARK Park Trail | Trail | 14 | Harris | 29 46 46 N | 095 19 16 W |
| Atherton School | School | 14 | Harris | 29 46 47 N | 095 19 20 W |
| Athey Church | Church | 106 | Harrison | 32 39 04 N | 094 32 22 W |
| Athey Oil and Gas Field | Oilfield | 804 | Pecos | 31 11 08 N | 103 00 43 W |
| Athletics and Alumni Center | Park | 12 | Harris | 29 43 34 N | 095 20 49 W |
| Atkins Creek | Stream | | Montgomery | 30 22 32 N | 095 34 01 W |
| Atkins Junior High School | School | 980 | Lubbock | 33 32 40 N | 101 51 39 W |
| Atkinson Cemetery | Cemetery | 85 | Austin | 29 57 10 N | 096 16 57 W |
| Atkinson Cemetery | Cemetery | 93 | Lee | 30 13 26 N | 096 48 04 W |
| Atkinson Cemetery | Cemetery | 99 | Washington | 30 07 45 N | 096 16 49 W |
| Atkinson Elementary School | School | 14 | Harris | 29 36 34 N | 095 14 27 W |
| Atkinson House | Building | 226 | Williamson | 30 38 09 N | 097 40 14 W |
| Atkinson Island | Island | 2 | Chambers | 29 39 41 N | 094 58 06 W |
| Atkinson Island Wildlife Management Area | Park | 1 | Galveston | 29 40 56 N | 094 58 28 W |
| Atkinson Ranch | Locale | 123 | McMullen | 28 08 49 N | 098 32 19 W |
| Atkinson Tank | Reservoir | 427 | Knox | 33 33 40 N | 099 39 18 W |
| Atkinson-Morris House | Building | 168 | Lamar | 33 39 38 N | 095 29 34 W |
| Atlanta | Populated Place | 78 | Cass | 33 06 49 N | 094 09 52 W |
| Atlanta Church of Christ | Church | 73 | Cass | 33 06 27 N | 094 10 56 W |
| Atlanta Church of God | Church | 84 | Cass | 33 06 37 N | 094 08 53 W |
| Atlanta City Park | Park | 96 | Cass | 33 07 46 N | 094 09 48 W |
| Atlanta High School | School | 89 | Cass | 33 07 12 N | 094 08 44 W |
| Atlanta Memorial Hospital | Hospital | 84 | Cass | 33 06 20 N | 094 09 57 W |
| Atlanta Municipal Airport | Airport | 80 | Cass | 33 06 09 N | 094 11 40 W |
| Atlanta Primary School | School | 83 | Cass | 33 07 06 N | 094 08 44 W |
| Atlanta Public Library | Building | 4 | Cass | 29 33 34 N | 094 09 58 W |
| Atlanta State Park | Park | 86 | Cass | 33 13 55 N | 094 14 58 W |
| Atlanta State Park Trail | Trail | 88 | Cass | 33 13 59 N | 094 15 12 W |
| Atlanta Street Church of Christ | Church | 93 | Bowie | 33 24 09 N | 094 04 41 W |
| Atlantic Camp | Locale | 108 | Gregg | 32 31 08 N | 094 50 08 W |
| Atlantic Canal | Canal | 4 | Jefferson | 29 58 24 N | 093 55 56 W |
| Atlantic Channel | Channel | 3 | Nueces | 27 49 16 N | 097 08 20 W |
| Atlantic Cut | Channel | 0 | Nueces | 27 46 15 N | 097 08 08 W |
| Atlas | Populated Place | 156 | Lamar | 33 34 07 N | 095 37 01 W |
| Atlas Church | Church | 96 | Harrison | 32 25 55 N | 094 29 19 W |
| Atlee Siding | Locale | 156 | La Salle | 28 07 50 N | 099 19 36 W |
| Atoka Cemetery | Cemetery | 586 | Coleman | 31 59 40 N | 099 40 21 W |
| Atole Windmill | Locale | 19 | Hidalgo | 26 36 59 N | 098 04 16 W |
| Atole Windmill | Locale | 166 | Jim Hogg | 26 56 57 N | 098 41 52 W |
| Atonement Lutheran Church | Church | 238 | Bexar | 29 23 21 N | 098 38 37 W |
| Atoy | Populated Place | 85 | Cherokee | 31 46 27 N | 095 00 48 W |
| Atoy Creek | Stream | | Cherokee | 31 44 42 N | 094 58 09 W |
| Atravasada Windmill | Locale | 10 | Kenedy | 27 01 21 N | 097 50 34 W |
| Atravesada Artesian Well | Well | 7 | Kenedy | 27 10 17 N | 097 43 53 W |
| Atreco | Populated Place | 0 | Jefferson | 29 58 47 N | 093 52 58 W |
| Attoyac | Populated Place | 94 | Nacogdoches | 31 33 32 N | 094 21 29 W |
| Attoyac Church | Church | 97 | San Augustine | 31 25 35 N | 094 17 10 W |
| Attoyac Dam | Dam | 70 | Shelby | 31 39 43 N | 094 23 43 W |
| Attoyac Lake | Reservoir | 70 | Shelby | 31 39 43 N | 094 23 43 W |
| Attoyac River | Stream | | Nacogdoches | 31 26 54 N | 094 18 58 W |
| Attucks Junior High School | School | 14 | Harris | 29 40 07 N | 095 21 47 W |
| Attucks Middle School | School | 14 | Harris | 29 40 11 N | 095 21 46 W |
| Attway Branch | Stream | | Camp | 32 58 48 N | 095 09 46 W |
| Atwell | Populated Place | 555 | Callahan | 32 15 40 N | 099 08 03 W |
| Atwood McDonald Elementary School | School | 185 | Tarrant | 32 45 06 N | 097 12 27 W |
| Atwood Oil Field | Oilfield | 590 | Taylor | 32 05 57 N | 099 48 55 W |
| Atwood Windmill | Locale | 6 | Willacy | 26 34 34 N | 097 38 52 W |
| Aubey Gully | Valley | | Jefferson | 29 51 52 N | 094 11 16 W |