Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Mountain Lookout Tower | Tower | 585 | Franklin | 35 33 45 N | 093 42 30 W |
| Mountain Pine | Populated Place | 144 | Garland | 34 34 19 N | 093 10 24 W |
| Mountain Pine Elementary School | School | 146 | Garland | 34 34 21 N | 093 10 26 W |
| Mountain Pine High School | School | 148 | Garland | 34 34 24 N | 093 10 27 W |
| Mountain Spring Cemetery | Cemetery | 239 | Yell | 35 09 41 N | 093 20 53 W |
| Mountain Spring School (historical) | School | 133 | Independence | 35 46 57 N | 091 44 30 W |
| Mountain Spring School (historical) | School | 208 | Pope | 35 24 23 N | 093 12 36 W |
| Mountain Springs | Populated Place | 120 | Lonoke | 35 01 34 N | 092 04 14 W |
| Mountain Springs Cemetery | Cemetery | 122 | Lonoke | 35 01 37 N | 092 04 16 W |
| Mountain Springs Cemetery | Cemetery | 616 | Newton | 36 04 00 N | 093 21 59 W |
| Mountain Springs Church | Church | 446 | Madison | 36 04 10 N | 093 54 35 W |
| Mountain Springs Church | Church | 701 | Newton | 36 04 24 N | 093 22 01 W |
| Mountain Springs School (historical) | School | 697 | Newton | 36 04 23 N | 093 22 02 W |
| Mountain Springs School (historical) | School | 204 | Stone | 35 51 15 N | 091 52 19 W |
| Mountain Springs School (historical) | School | 233 | Yell | 35 09 26 N | 093 20 51 W |
| Mountain Top | Populated Place | 495 | Franklin | 35 37 27 N | 093 43 48 W |
| Mountain Top Church | Church | 455 | Franklin | 35 34 54 N | 093 45 37 W |
| Mountain Valley | Populated Place | 208 | Garland | 34 37 45 N | 093 03 25 W |
| Mountain Valley Cemetery | Cemetery | 215 | Garland | 34 37 30 N | 093 03 46 W |
| Mountain Valley Church | Church | 202 | Garland | 34 37 30 N | 093 03 07 W |
| Mountain Valley Church | Church | 214 | Garland | 34 37 29 N | 093 03 49 W |
| Mountain Valley Church | Church | 140 | Hot Spring | 34 21 50 N | 092 58 19 W |
| Mountain Valley School (historical) | School | 140 | Hot Spring | 34 21 51 N | 092 58 18 W |
| Mountain Valley School (historical) | School | 261 | Montgomery | 34 31 28 N | 093 42 04 W |
| Mountain View | Populated Place | 232 | Stone | 35 52 06 N | 092 07 04 W |
| Mountain View Cemetery | Cemetery | 421 | Carroll | 36 16 38 N | 093 23 54 W |
| Mountain View Cemetery | Cemetery | 239 | Franklin | 35 31 57 N | 093 48 36 W |
| Mountain View Cemetery | Cemetery | 227 | Marion | 36 16 30 N | 092 38 41 W |
| Mountain View Cemetery | Cemetery | 403 | Van Buren | 35 39 23 N | 092 28 23 W |
| Mountain View Church | Church | 218 | Baxter | 36 11 14 N | 092 26 57 W |
| Mountain View Church | Church | 296 | Conway | 35 26 35 N | 092 33 36 W |
| Mountain View Church | Church | 278 | Crawford | 35 33 28 N | 094 13 16 W |
| Mountain View Church | Church | 454 | Madison | 36 16 28 N | 093 50 37 W |
| Mountain View Church | Church | 466 | Newton | 35 56 17 N | 093 23 58 W |
| Mountain View Church | Church | 159 | Saline | 34 33 12 N | 092 40 06 W |
| Mountain View Church | Church | 386 | Van Buren | 35 38 42 N | 092 27 35 W |
| Mountain View Church | Church | 401 | Washington | 36 03 54 N | 094 23 53 W |
| Mountain View Elementary School | School | 234 | Stone | 35 51 53 N | 092 06 45 W |
| Mountain View High School | School | 235 | Stone | 35 51 50 N | 092 06 43 W |
| Mountain View Park | Park | 96 | Faulkner | 35 06 12 N | 092 25 02 W |
| Mountain View School (historical) | School | 226 | Montgomery | 34 22 01 N | 093 32 23 W |
| Mountain View School (historical) | School | 336 | Polk | 34 21 21 N | 094 03 07 W |
| Mountain View School (historical) | School | 216 | Pope | 35 16 32 N | 093 10 13 W |
| Mountain View School (historical) | School | 152 | Saline | 34 33 15 N | 092 40 04 W |
| Mountain View School (historical) | School | 483 | Washington | 35 59 21 N | 093 57 36 W |
| Mountain View United Methodist Church | Church | 378 | Polk | 34 35 16 N | 094 15 04 W |
| Mountainburg | Populated Place | 229 | Crawford | 35 38 08 N | 094 10 03 W |
| Mountainburg Elementary School | School | 220 | Crawford | 35 37 50 N | 094 10 20 W |
| Mountainburg High School | School | 222 | Crawford | 35 37 52 N | 094 10 18 W |
| Mountainburg Middle School | School | 221 | Crawford | 35 37 52 N | 094 10 19 W |
| Mountainburg Shelter | Locale | 231 | Crawford | 35 38 33 N | 094 09 44 W |
| Mourning Port Church | Church | 79 | Lafayette | 33 24 28 N | 093 37 30 W |
| Mouth of Bruce Creek Landing | Locale | 140 | Baxter | 36 21 05 N | 092 32 03 W |
| Mouth of River Styx Landing | Locale | 69 | Mississippi | 35 54 45 N | 089 43 37 W |
| Mouth of Saint Francis Landing | Locale | 57 | Phillips | 34 37 00 N | 090 35 35 W |
| Mouton (historical) | Populated Place | 268 | Howard | 34 17 13 N | 094 01 09 W |
| Mowray-Wyatt Plaza Shopping Center | Locale | 197 | Garland | 34 30 05 N | 093 03 50 W |
| Moyer Mine | Mine | 162 | Independence | 35 51 18 N | 091 36 13 W |
| Moyer Mountain | Summit | 214 | Pulaski | 34 54 20 N | 092 38 52 W |
| Mozart | Populated Place | 46 | Desha | 34 00 53 N | 091 06 35 W |
| Mozart | Populated Place | 483 | Stone | 35 50 08 N | 092 19 05 W |
| Mt. Vernon/Enola Elementary School | School | 101 | Faulkner | 35 11 46 N | 092 11 60 W |
| Mt. Vernon/Enola High School | School | 130 | Faulkner | 35 13 34 N | 092 07 55 W |
| Mtount George Cemetery | Cemetery | 105 | Yell | 35 06 40 N | 093 14 28 W |
| Mud Branch | Stream | | Logan | 35 23 57 N | 093 29 11 W |
| Mud Creek | Stream | | Craighead | 35 53 13 N | 090 43 50 W |
| Mud Creek | Stream | | Dallas | 33 54 09 N | 092 40 57 W |
| Mud Creek | Stream | | Grant | 34 20 58 N | 092 20 08 W |
| Mud Creek | Stream | | Grant | 34 21 11 N | 092 35 39 W |
| Mud Creek | Stream | | Grant | 34 13 34 N | 092 33 39 W |
| Mud Creek | Stream | | Hempstead | 33 39 18 N | 093 39 23 W |
| Mud Creek | Stream | | Independence | 35 39 13 N | 091 26 00 W |
| Mud Creek | Stream | | Logan | 35 20 23 N | 093 25 23 W |
| Mud Creek | Stream | | Pope | 35 24 56 N | 093 05 51 W |
| Mud Creek | Stream | | Randolph | 36 24 48 N | 090 58 17 W |
| Mud Creek | Stream | | Scott | 34 47 46 N | 093 58 36 W |
| Mud Creek | Stream | | Scott | 34 55 22 N | 094 06 37 W |
| Mud Creek | Stream | | Sevier | 34 02 46 N | 094 25 54 W |
| Mud Creek | Stream | | Washington | 36 07 30 N | 094 09 52 W |
| Mud Creek Site One Dam | Dam | 88 | Independence | 35 42 24 N | 091 27 30 W |
| Mud Creek Site One Reservoir | Reservoir | 88 | Independence | 35 42 24 N | 091 27 30 W |
| Mud Hole Branch | Stream | | Saline | 34 47 15 N | 092 41 01 W |
| Mud Hollow | Valley | | Searcy | 36 01 23 N | 092 40 51 W |
| Mud Island | Island | 37 | Desha | 33 41 15 N | 091 02 10 W |
| Mud Lake | Gut | 58 | Crittenden | 34 54 57 N | 090 21 14 W |
| Mud Lake | Lake | 44 | Arkansas | 34 15 47 N | 091 05 46 W |
| Mud Lake | Lake | 46 | Arkansas | 34 19 58 N | 091 04 43 W |
| Mud Lake | Lake | 43 | Arkansas | 34 08 57 N | 091 09 23 W |
| Mud Lake | Lake | 22 | Ashley | 33 15 25 N | 092 02 31 W |
| Mud Lake | Lake | 24 | Calhoun | 33 20 41 N | 092 31 21 W |
| Mud Lake | Lake | 33 | Chicot | 33 25 53 N | 091 09 33 W |
| Mud Lake | Lake | 49 | Desha | 33 58 40 N | 091 24 46 W |
| Mud Lake | Lake | 75 | Hempstead | 33 36 21 N | 093 47 51 W |
| Mud Lake | Lake | 50 | Jefferson | 34 07 44 N | 091 34 45 W |
| Mud Lake | Lake | 49 | Lincoln | 34 01 35 N | 091 27 03 W |
| Mud Lake | Lake | 49 | Monroe | 34 36 51 N | 091 18 41 W |
| Mud Lake | Lake | 44 | Monroe | 34 33 37 N | 091 14 57 W |
| Mud Lake | Lake | 52 | St. Francis | 34 55 46 N | 090 31 43 W |
| Mud Lake | Lake | 20 | Union | 33 14 02 N | 092 13 39 W |
| Mud Lake | Lake | 55 | Woodruff | 35 10 03 N | 091 25 38 W |
| Mud Lake | Populated Place | 60 | St. Francis | 34 54 44 N | 090 30 50 W |
| Mud Lake | Swamp | 53 | Prairie | 34 55 53 N | 091 28 30 W |
| Mud Lake Oil and Gas Field | Oilfield | 24 | Calhoun | 33 19 56 N | 092 30 16 W |
| Mud Lakes | Lake | 43 | Arkansas | 34 10 03 N | 091 05 28 W |
| Mud Lick Creek | Stream | | Pike | 34 18 47 N | 093 30 58 W |
| Mud Lick Mountain | Summit | 449 | Yell | 34 46 21 N | 093 40 55 W |
| Mud Pond | Lake | 58 | White | 35 12 07 N | 091 27 44 W |
| Mud Slough | Gut | 44 | Desha | 33 53 40 N | 091 06 40 W |
| Mud Slough | Gut | 52 | Monroe | 34 53 01 N | 091 18 14 W |
| Mud Slough | Stream | | Jackson | 35 28 36 N | 091 16 28 W |