Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Arkansas Noname 12 Dam | Dam | 64 | Lonoke | 34 52 36 N | 091 44 42 W |
| Arkansas Noname 127 Dam | Dam | 67 | Prairie | 34 50 18 N | 091 35 42 W |
| Arkansas Noname 13 Dam | Dam | 64 | Lonoke | 34 53 00 N | 091 44 54 W |
| Arkansas Noname 131 Dam | Dam | 54 | Prairie | 34 43 36 N | 091 25 00 W |
| Arkansas Noname 133 Dam | Dam | 55 | Prairie | 34 40 24 N | 091 22 54 W |
| Arkansas Noname 136 Dam | Dam | 200 | Garland | 34 31 18 N | 093 17 31 W |
| Arkansas Noname 136 Reservoir | Reservoir | 200 | Garland | 34 31 18 N | 093 17 31 W |
| Arkansas Noname 149 Dam | Dam | 63 | Prairie | 34 40 42 N | 091 24 06 W |
| Arkansas Noname 153 Dam | Dam | 212 | Scott | 34 57 00 N | 094 10 01 W |
| Arkansas Noname 163 Dam | Dam | 241 | Scott | 34 50 54 N | 094 16 49 W |
| Arkansas Noname 186 Dam | Dam | 239 | Montgomery | 34 37 18 N | 093 47 25 W |
| Arkansas Noname 194 Dam | Dam | 85 | Perry | 35 04 06 N | 092 34 01 W |
| Arkansas Noname 20 Dam | Dam | 111 | Lonoke | 35 02 36 N | 092 02 01 W |
| Arkansas Noname 212 Dam | Dam | 206 | Sebastian | 35 10 06 N | 094 09 31 W |
| Arkansas Noname 23 Dam | Dam | 189 | White | 35 15 30 N | 092 05 01 W |
| Arkansas Noname 24 Dam | Dam | 84 | Conway | 35 09 00 N | 092 34 01 W |
| Arkansas Noname 27 Dam | Dam | 90 | Hot Spring | 34 21 18 N | 092 42 37 W |
| Arkansas Noname 280 Dam | Dam | 55 | Arkansas | 34 16 00 N | 091 24 36 W |
| Arkansas Noname 288 Dam | Dam | 52 | Arkansas | 34 18 24 N | 091 16 12 W |
| Arkansas Noname 350 Dam | Dam | 435 | Washington | 36 00 30 N | 094 12 31 W |
| Arkansas Noname 350 Reservoir | Reservoir | 435 | Washington | 36 00 30 N | 094 12 31 W |
| Arkansas Noname 49 Dam | Dam | 62 | Union | 33 05 54 N | 092 51 19 W |
| Arkansas Noname 50 Dam | Dam | 73 | Union | 33 06 42 N | 092 38 19 W |
| Arkansas Noname 55 Dam | Dam | 37 | Union | 33 02 42 N | 092 11 12 W |
| Arkansas Noname 55 Reservoir | Reservoir | 37 | Union | 33 02 42 N | 092 11 12 W |
| Arkansas Noname 56 Dam | Dam | 35 | Union | 33 02 30 N | 092 11 18 W |
| Arkansas Noname 56 Reservoir | Reservoir | 35 | Union | 33 02 30 N | 092 11 18 W |
| Arkansas Noname 62 Dam | Dam | 88 | Columbia | 33 27 06 N | 093 12 25 W |
| Arkansas Noname 68 Dam | Dam | 107 | Nevada | 33 41 54 N | 093 10 25 W |
| Arkansas Noname 68 Reservoir | Reservoir | 107 | Nevada | 33 41 54 N | 093 10 25 W |
| Arkansas Noname 85 Dam | Dam | 58 | Ouachita | 33 36 12 N | 092 53 07 W |
| Arkansas Noname Five Dam | Dam | 93 | Lonoke | 34 56 18 N | 091 56 25 W |
| Arkansas Noname Four Dam | Dam | 114 | Lonoke | 35 02 36 N | 092 07 01 W |
| Arkansas Noname Two Dam | Dam | 113 | Lonoke | 34 59 42 N | 092 02 49 W |
| Arkansas Post | Locale | 54 | Arkansas | 34 01 25 N | 091 20 37 W |
| Arkansas Post | Populated Place | 54 | Arkansas | 34 01 25 N | 091 20 37 W |
| Arkansas Post Canal | Canal | 49 | Arkansas | 34 01 40 N | 091 15 50 W |
| Arkansas Post Canal Reservoir | Reservoir | 38 | Arkansas | 34 01 06 N | 091 11 18 W |
| Arkansas Post National Memorial | Park | 53 | Arkansas | 34 01 08 N | 091 20 56 W |
| Arkansas Post School (historical) | School | 54 | Arkansas | 34 02 16 N | 091 20 25 W |
| Arkansas River | Stream | | Desha | 33 46 30 N | 091 04 15 W |
| Arkansas School for Blind | School | 125 | Pulaski | 34 45 09 N | 092 18 13 W |
| Arkansas School for Deaf | School | 117 | Pulaski | 34 45 05 N | 092 17 58 W |
| Arkansas School for Deaf and Blind | School | 95 | Pulaski | 34 43 58 N | 092 19 36 W |
| Arkansas School for the Blind Elementary | School | 128 | Pulaski | 34 45 09 N | 092 18 04 W |
| Arkansas School for the Blind High School | School | 127 | Pulaski | 34 45 10 N | 092 18 14 W |
| Arkansas School for the Deaf Elementary School | School | 128 | Pulaski | 34 45 10 N | 092 18 09 W |
| Arkansas School for the Deaf High School | School | 123 | Pulaski | 34 45 09 N | 092 17 54 W |
| Arkansas Services Center | Building | 85 | Craighead | 35 48 34 N | 090 41 01 W |
| Arkansas Sheriffs Boys Ranch | Locale | 135 | Independence | 35 45 05 N | 091 46 08 W |
| Arkansas State Capitol | Building | 102 | Pulaski | 34 44 48 N | 092 17 20 W |
| Arkansas State Hospital | Hospital | 133 | Pulaski | 34 44 58 N | 092 19 23 W |
| Arkansas State Junior College | School | 76 | White | 35 04 14 N | 091 53 43 W |
| Arkansas State Police | Building | 120 | Johnson | 35 27 52 N | 093 31 24 W |
| Arkansas State University | School | 95 | Craighead | 35 50 35 N | 090 40 37 W |
| Arkansas Street Fire Station | Building | 57 | Phillips | 34 31 16 N | 090 35 21 W |
| Arkansas Technical University | School | 106 | Pope | 35 17 42 N | 093 08 01 W |
| Arkansas Valley Vocational Technical Center | School | 147 | Franklin | 35 29 50 N | 093 50 35 W |
| Arkansas Vocational-technical School | School | 70 | Jefferson | 34 12 36 N | 092 01 36 W |
| Arkansas Western Landing Strip | Airport | 228 | Scott | 34 59 40 N | 094 07 46 W |
| Arkansas Youth Services Center | School | 76 | Jefferson | 34 13 03 N | 092 05 12 W |
| Arkapola Bluff | Cliff | 55 | Prairie | 34 46 44 N | 091 26 11 W |
| Arkawana | Populated Place | 283 | Baxter | 36 24 13 N | 092 27 40 W |
| Arkinda | Populated Place | 136 | Little River | 33 46 49 N | 094 28 08 W |
| Arkins (historical) | Populated Place | 104 | Izard | 35 59 05 N | 092 04 59 W |
| Arkla Lake | Reservoir | 76 | Miller | 33 01 30 N | 093 58 25 W |
| Arkla Lake Dam | Dam | 76 | Miller | 33 01 30 N | 093 58 25 W |
| Arkmo | Populated Place | 74 | Mississippi | 35 59 48 N | 090 14 51 W |
| Arkola | Populated Place | 171 | Sebastian | 35 05 05 N | 094 18 33 W |
| Arkwild Camp | Locale | 379 | Howard | 34 21 31 N | 094 21 36 W |
| Arlberg | Populated Place | 208 | Stone | 35 44 01 N | 092 23 22 W |
| Arlie Moore Landing Use Area | Park | 127 | Clark | 34 16 18 N | 093 12 16 W |
| Arlington Cemetery | Cemetery | 70 | Union | 33 13 10 N | 092 39 03 W |
| Arm Lake | Lake | 58 | White | 35 24 24 N | 091 23 38 W |
| Armada (historical) | Populated Place | 304 | Crawford | 35 43 00 N | 094 11 44 W |
| Armo Baptist Academy (historical) | School | 389 | Carroll | 36 29 52 N | 093 23 48 W |
| Armorel | Populated Place | 79 | Mississippi | 35 55 12 N | 089 47 53 W |
| Armorel Baptist Church | Church | 78 | Mississippi | 35 54 56 N | 089 47 58 W |
| Armorel Elementary School | School | 78 | Mississippi | 35 54 58 N | 089 47 58 W |
| Armorel High School | School | 78 | Mississippi | 35 55 02 N | 089 47 58 W |
| Armorel Post Office (historical) | Post Office | 79 | Mississippi | 35 55 10 N | 089 47 55 W |
| Arms Mountain | Summit | 651 | Madison | 36 01 27 N | 093 28 15 W |
| Armstead Mountain | Summit | 563 | Pope | 35 34 05 N | 092 48 31 W |
| Armstead Mountain | Summit | 563 | Van Buren | 35 34 05 N | 092 48 31 W |
| Armstrong | Populated Place | 156 | Sharp | 36 22 22 N | 091 19 02 W |
| Armstrong Branch | Stream | | Pulaski | 34 54 38 N | 092 11 46 W |
| Armstrong Cemetery | Cemetery | 402 | Benton | 36 17 11 N | 094 20 06 W |
| Armstrong Hollow | Valley | | Searcy | 35 50 20 N | 092 54 16 W |
| Arnett | Populated Place | 446 | Washington | 35 53 42 N | 094 02 23 W |
| Arnett Church (historical) | Church | 461 | Washington | 35 51 20 N | 094 00 21 W |
| Arnett Post Office (historical) | Post Office | 432 | Washington | 35 53 32 N | 094 01 56 W |
| Arnhart Cemetery | Cemetery | 243 | Van Buren | 35 41 59 N | 092 37 23 W |
| Arnold Bend | Bend | 184 | Searcy | 35 59 00 N | 092 47 26 W |
| Arnold Branch | Stream | | Independence | 35 49 16 N | 091 49 13 W |
| Arnold Cemetery | Cemetery | 102 | Clark | 34 03 35 N | 093 10 14 W |
| Arnold Cemetery | Cemetery | 77 | Jackson | 35 50 39 N | 091 05 39 W |
| Arnold Cemetery | Cemetery | 79 | Lawrence | 35 56 40 N | 090 56 28 W |
| Arnold Cemetery | Cemetery | 213 | Searcy | 35 58 38 N | 092 47 25 W |
| Arnold Church | Church | 76 | Jackson | 35 50 08 N | 091 05 14 W |
| Arnold Creek | Stream | | Garland | 34 34 34 N | 093 25 28 W |
| Arnold Creek | Stream | | Hempstead | 33 45 25 N | 093 29 33 W |
| Arnold Creek | Stream | | Jefferson | 34 18 36 N | 092 06 43 W |
| Arnold Drive Elementary School | School | 116 | Pulaski | 34 53 50 N | 092 09 16 W |
| Arnold Hollow | Valley | | Izard | 35 59 05 N | 091 57 10 W |
| Arnold Hollow | Valley | | Stone | 35 44 49 N | 092 21 59 W |
| Arnold School (historical) | School | 76 | Jackson | 35 50 08 N | 091 05 14 W |
| Arnolds Lake | Reservoir | 104 | Greene | 36 05 06 N | 090 31 48 W |
| Arnolds Lake Dam | Dam | 104 | Greene | 36 05 06 N | 090 31 48 W |
| Aron Street Church (historical) | Church | 127 | Pulaski | 34 36 43 N | 092 19 05 W |
| Arp (historical) | Populated Place | 175 | Pike | 34 06 22 N | 093 37 55 W |