Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Post Oak Church | Church | 177 | Cleburne | 35 34 20 N | 092 10 41 W |
| Post Oak Creek | Stream | | Clay | 36 16 57 N | 090 19 12 W |
| Post Oak Ditch | Canal | 82 | Greene | 36 11 36 N | 090 45 37 W |
| Post Oak Flat | Flat | 270 | Scott | 34 49 08 N | 093 51 41 W |
| Post Oak School (historical) | School | 92 | Clay | 36 28 14 N | 090 23 21 W |
| Post Oak School (historical) | School | 78 | Greene | 36 09 19 N | 090 21 20 W |
| Post School | School | 138 | Sebastian | 35 21 52 N | 094 21 01 W |
| Postal Bend | Bend | 52 | Woodruff | 35 08 09 N | 091 25 58 W |
| Postal Landing | Locale | 56 | Woodruff | 35 08 17 N | 091 25 36 W |
| Postelle | Populated Place | 55 | Phillips | 34 34 12 N | 091 01 22 W |
| Postelle Cemetery | Cemetery | 56 | Phillips | 34 35 09 N | 091 00 55 W |
| Posten Bayou | Stream | | Lafayette | 32 58 57 N | 093 47 14 W |
| Postoak Gap | Gap | 460 | Madison | 36 08 12 N | 093 38 45 W |
| Posy Mountain | Summit | 499 | Benton | 36 23 45 N | 093 59 07 W |
| Pot Mountain | Summit | 472 | Montgomery | 34 43 54 N | 093 35 07 W |
| Pot Shoals Creek | Stream | | Marion | 36 26 17 N | 092 41 19 W |
| Potash Sulphur Springs (historical) | Populated Place | 129 | Garland | 34 28 30 N | 092 57 48 W |
| Potato Hill | Summit | 551 | Carroll | 36 16 33 N | 093 29 13 W |
| Potato Hill | Summit | 264 | Franklin | 35 15 26 N | 094 03 24 W |
| Potato Hill | Summit | 476 | Perry | 34 47 08 N | 093 15 42 W |
| Potato Hill | Summit | 162 | White | 35 17 09 N | 091 54 16 W |
| Potato Hill Branch | Stream | | Perry | 34 48 26 N | 093 15 46 W |
| Potato Hill Mountain | Summit | 679 | Yell | 35 02 48 N | 093 39 00 W |
| Potato Knob | Summit | 612 | Madison | 35 57 08 N | 093 52 11 W |
| Potato Knob Mountain | Summit | 692 | Franklin | 35 43 43 N | 093 54 34 W |
| Poteau Lookout Tower | Tower | 812 | Sebastian | 34 57 46 N | 094 22 28 W |
| Poteau Mountain | Ridge | 771 | Scott | 34 57 44 N | 094 22 10 W |
| Poteau Mountain | Summit | 771 | Sebastian | 34 57 44 N | 094 22 10 W |
| Poteau Mountain Wilderness | Reserve | 398 | Sebastian | 34 59 00 N | 094 14 16 W |
| Poteau Ouachita National Forest Work Center | Locale | 228 | Scott | 34 53 40 N | 094 04 09 W |
| Poteau Ranger Station | Locale | 227 | Scott | 34 53 11 N | 094 06 27 W |
| Poteau River Site 11 Dam | Reservoir | 246 | Scott | 34 50 54 N | 094 18 55 W |
| Poteau River Site 13 Lake | Reservoir | 261 | Scott | 34 51 00 N | 094 15 43 W |
| Poteau River Site 14 Lake | Reservoir | 231 | Scott | 34 51 12 N | 094 14 13 W |
| Poteau River Site 17 Lake | Reservoir | 225 | Scott | 34 51 48 N | 094 11 01 W |
| Poteau River Site 18 Lake | Reservoir | 233 | Scott | 34 50 06 N | 094 08 01 W |
| Poteau River Site Five Lake | Reservoir | 213 | Scott | 34 56 12 N | 094 02 55 W |
| Poteau River Site Nine Lake | Reservoir | 210 | Scott | 34 55 48 N | 094 19 37 W |
| Poteau River Site One Lake | Reservoir | 261 | Scott | 34 54 30 N | 093 57 49 W |
| Poteau River Site Seven Lake | Reservoir | 212 | Scott | 34 57 00 N | 094 10 01 W |
| Poteau River Watershed Site 11 Dam | Dam | 246 | Scott | 34 50 54 N | 094 18 55 W |
| Poteau River Watershed Site 12 Reservoir | Reservoir | 241 | Scott | 34 50 54 N | 094 16 49 W |
| Poteau River Watershed Site 13 Dam | Dam | 261 | Scott | 34 51 00 N | 094 15 43 W |
| Poteau River Watershed Site 14 Dam | Dam | 231 | Scott | 34 51 12 N | 094 14 13 W |
| Poteau River Watershed Site 16 Dam | Dam | 199 | Scott | 34 54 48 N | 094 14 37 W |
| Poteau River Watershed Site 16 Lake | Reservoir | 199 | Scott | 34 54 48 N | 094 14 37 W |
| Poteau River Watershed Site 17 Dam | Dam | 225 | Scott | 34 51 48 N | 094 11 01 W |
| Poteau River Watershed Site 18 Dam | Dam | 233 | Scott | 34 50 06 N | 094 08 01 W |
| Poteau River Watershed Site Eight Dam | Dam | 208 | Scott | 34 56 48 N | 094 11 55 W |
| Poteau River Watershed Site Eight Lake | Reservoir | 208 | Scott | 34 56 48 N | 094 11 55 W |
| Poteau River Watershed Site Five Dam | Dam | 213 | Scott | 34 56 12 N | 094 02 55 W |
| Poteau River Watershed Site Four Dam | Dam | 220 | Scott | 34 55 54 N | 094 01 43 W |
| Poteau River Watershed Site Nine Dam | Dam | 210 | Scott | 34 55 48 N | 094 19 37 W |
| Poteau River Watershed Site One Dam | Dam | 261 | Scott | 34 54 30 N | 093 57 49 W |
| Poteau River Watershed Site Six Dam | Dam | 229 | Scott | 34 57 48 N | 094 04 37 W |
| Poteau River Watershed Site Two Dam | Dam | 265 | Scott | 34 55 30 N | 093 57 01 W |
| Poteau Watershed Site Two Lake | Reservoir | 265 | Scott | 34 55 30 N | 093 57 01 W |
| Poteau Work Center | Locale | 230 | Scott | 34 53 39 N | 094 04 10 W |
| Pothole Lake | Lake | 35 | Desha | 33 34 57 N | 091 13 06 W |
| Potlatch Pond Number One Dam | Dam | 46 | Arkansas | 34 10 18 N | 091 13 18 W |
| Potlatch Pond Number Two | Reservoir | 44 | Arkansas | 34 10 12 N | 091 13 06 W |
| Potlatch Pond Number Two Dam | Dam | 44 | Arkansas | 34 10 12 N | 091 13 06 W |
| Potter | Populated Place | 284 | Polk | 34 33 13 N | 094 20 21 W |
| Potter Branch | Stream | | White | 35 18 40 N | 092 05 53 W |
| Potter Branch | Stream | | White | 35 28 27 N | 091 39 01 W |
| Potter Branch | Stream | | Yell | 34 50 15 N | 093 26 33 W |
| Potter Creek | Stream | | Saline | 34 32 10 N | 092 17 37 W |
| Potter Hill | Summit | 243 | White | 35 19 25 N | 092 05 30 W |
| Potter Junction | Populated Place | 313 | Polk | 34 33 02 N | 094 18 22 W |
| Potter Memorial Cemetery | Cemetery | 69 | Poinsett | 35 37 00 N | 090 20 45 W |
| Potter Mountain | Summit | 536 | Polk | 34 31 48 N | 094 16 59 W |
| Potter School (historical) | School | 282 | Polk | 34 33 20 N | 094 20 21 W |
| Potts Cemetery | Cemetery | 146 | Howard | 34 05 21 N | 094 01 40 W |
| Potts Cemetery | Cemetery | 169 | Izard | 36 12 12 N | 092 01 03 W |
| Potts Church | Church | 146 | Franklin | 35 14 57 N | 093 59 09 W |
| Potts Ford (historical) | Crossing | 150 | Howard | 34 10 20 N | 094 05 46 W |
| Potts Ridge | Ridge | 221 | Logan | 35 07 15 N | 093 42 50 W |
| Potts Ridge | Ridge | 180 | Logan | 35 07 29 N | 093 50 42 W |
| Potts School | School | 147 | Franklin | 35 14 56 N | 093 59 09 W |
| Potts School (historical) | School | 106 | Yell | 35 05 36 N | 093 11 34 W |
| Pottsville | Populated Place | 116 | Pope | 35 14 53 N | 093 02 57 W |
| Pottsville Assembly of God Church | Church | 120 | Pope | 35 15 18 N | 093 03 01 W |
| Pottsville Elementary School | School | 119 | Pope | 35 14 48 N | 093 03 05 W |
| Pottsville First Baptist Church | Church | 119 | Pope | 35 15 02 N | 093 03 02 W |
| Pottsville Freewill Baptist Church | Church | 163 | Pope | 35 15 11 N | 093 01 55 W |
| Pottsville High School | School | 117 | Pope | 35 14 45 N | 093 03 04 W |
| Pottsville Holiness Church | Church | 124 | Pope | 35 15 03 N | 093 03 44 W |
| Pottsville Middle School | School | 117 | Pope | 35 14 45 N | 093 03 02 W |
| Pottsville United Methodist Church | Church | 113 | Pope | 35 15 02 N | 093 02 55 W |
| Poughkeepsie | Populated Place | 139 | Sharp | 36 04 36 N | 091 28 45 W |
| Poughkeepsie Elementary School | School | 180 | Sharp | 36 04 22 N | 091 28 04 W |
| Poughkeepsie High School | School | 180 | Sharp | 36 04 22 N | 091 28 02 W |
| Poughkeepsie Post Office | Post Office | 144 | Sharp | 36 04 34 N | 091 28 43 W |
| Pour Off Hollow | Valley | | Madison | 35 46 03 N | 093 34 37 W |
| Pour Off Hollow | Valley | | Stone | 35 42 36 N | 092 17 50 W |
| Pour Off Hollow | Valley | | Stone | 35 48 54 N | 092 15 48 W |
| Poverty Point | Cape | 43 | Arkansas | 33 57 43 N | 091 08 18 W |
| Powder Fork | Stream | | White | 35 18 55 N | 091 35 51 W |
| Powell | Populated Place | 217 | Marion | 36 14 15 N | 092 49 01 W |
| Powell Branch | Stream | | White | 35 11 41 N | 092 00 03 W |
| Powell Cemetery | Cemetery | 52 | Ashley | 33 19 28 N | 091 40 33 W |
| Powell Cemetery | Cemetery | 53 | Ouachita | 33 31 30 N | 092 48 04 W |
| Powell Cemetery | Cemetery | 61 | Prairie | 34 59 37 N | 091 40 17 W |
| Powell Cemetery | Cemetery | 158 | Sharp | 36 02 32 N | 091 32 09 W |
| Powell Cemetery | Cemetery | 136 | Sharp | 36 19 21 N | 091 19 56 W |
| Powell Chapel | Church | 168 | Sharp | 36 02 24 N | 091 32 00 W |
| Powell Creek | Stream | | Izard | 36 12 53 N | 091 53 41 W |
| Powell Creek | Stream | | Polk | 34 35 00 N | 094 23 02 W |
| Powell Creek | Stream | | Prairie | 35 01 06 N | 091 38 28 W |
| Powell Creek | Stream | | Randolph | 36 15 21 N | 091 05 16 W |