Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Short Mountain | Summit | 301 | Logan | 35 14 59 N | 093 45 00 W |
| Short Mountain | Summit | 390 | Marion | 36 24 02 N | 092 49 32 W |
| Short Mountain | Summit | 200 | Sebastian | 35 11 36 N | 094 17 15 W |
| Short Mountain | Summit | 176 | White | 35 25 34 N | 091 32 39 W |
| Short Mountain Creek | Stream | | Logan | 35 20 06 N | 093 46 14 W |
| Shorter Cemetery | Cemetery | 149 | Hempstead | 33 50 31 N | 093 34 11 W |
| Shorter Church | Church | 132 | Hempstead | 33 50 05 N | 093 33 52 W |
| Shorter College | School | 79 | Pulaski | 34 45 35 N | 092 15 40 W |
| Shorty Hollow | Valley | | Franklin | 35 40 04 N | 093 50 23 W |
| Shouse Ford Public Use Area | Park | 129 | Hot Spring | 34 17 22 N | 093 16 05 W |
| Shover Springs | Populated Place | 110 | Hempstead | 33 37 22 N | 093 31 50 W |
| Showalters Corner | Populated Place | 64 | White | 35 07 14 N | 091 35 30 W |
| Shrader Branch | Stream | | Crawford | 35 45 34 N | 094 00 56 W |
| Shrine Club (historical) | Locale | 89 | Saline | 34 32 19 N | 092 20 27 W |
| Shrover Springs Baptist Church | Church | 108 | Hempstead | 33 37 25 N | 093 31 50 W |
| Shudy Landing Strip | Airport | 65 | Jefferson | 34 24 19 N | 091 57 31 W |
| Shuffield Lake | Lake | 71 | Lonoke | 34 48 59 N | 092 03 45 W |
| Shuler | Populated Place | 79 | Union | 33 10 43 N | 092 54 06 W |
| Shuler Oil and Gas Field | Oilfield | 76 | Union | 33 09 09 N | 092 52 30 W |
| Shulers Point | Ridge | 640 | Newton | 35 48 33 N | 093 02 44 W |
| Shulers Point | Summit | 652 | Newton | 35 49 13 N | 093 02 17 W |
| Shumaker | Populated Place | 41 | Ouachita | 33 40 18 N | 092 43 33 W |
| Shumaker Branch | Stream | | Lonoke | 34 43 21 N | 091 43 55 W |
| Shumate Cemetery | Cemetery | 409 | Washington | 35 55 48 N | 093 57 53 W |
| Shumate Church (historical) | Church | 409 | Washington | 35 55 49 N | 093 57 53 W |
| Shumate Creek | Stream | | Washington | 35 56 58 N | 093 57 49 W |
| Shurley Cemetery | Cemetery | 123 | Lonoke | 35 01 41 N | 092 04 41 W |
| Shut-in Branch | Stream | | Yell | 34 49 40 N | 093 25 01 W |
| Shut-In Mountain | Summit | 646 | Scott | 34 42 26 N | 094 15 59 W |
| Sibley Hollow | Valley | | Stone | 35 47 14 N | 092 15 59 W |
| Sick Rock Hollow | Valley | | Stone | 35 57 19 N | 092 08 03 W |
| Siddell School (historical) | School | 122 | Saline | 34 34 25 N | 092 32 20 W |
| Sides Cemetery | Cemetery | 189 | Yell | 35 09 33 N | 093 26 48 W |
| Sides Family Cemetery | Cemetery | 164 | Yell | 35 09 41 N | 093 26 20 W |
| Sidney | Populated Place | 186 | Sharp | 36 00 11 N | 091 39 36 W |
| Sidney Creek | Stream | | Boone | 36 27 26 N | 093 04 43 W |
| Sidney Creek | Stream | | Sharp | 35 58 03 N | 091 42 23 W |
| Sidney Deener Elementary School | School | 70 | White | 35 14 51 N | 091 42 47 W |
| Sidney Post Office | Post Office | 187 | Sharp | 36 00 12 N | 091 39 37 W |
| Sidon | Populated Place | 217 | White | 35 20 40 N | 091 56 22 W |
| Sidon Baptist Church | Church | 215 | White | 35 20 39 N | 091 56 29 W |
| Sidon Cemetery | Cemetery | 209 | White | 35 20 42 N | 091 57 28 W |
| Sidon Post Office (historical) | Post Office | 218 | White | 35 20 39 N | 091 56 21 W |
| Sie Hollow | Valley | | Newton | 35 44 41 N | 093 30 39 W |
| Siedenstricker | Populated Place | 66 | Prairie | 34 43 42 N | 091 33 10 W |
| Signal Hill | Locale | 375 | Stone | 35 44 44 N | 092 01 38 W |
| Signal Hill | Summit | 838 | Logan | 35 10 02 N | 093 38 42 W |
| Signal Hill Church | Church | 373 | Stone | 35 44 20 N | 092 01 24 W |
| Signboard Brake | Lake | 24 | Calhoun | 33 20 16 N | 092 30 20 W |
| Signboard Hollow | Valley | | Stone | 35 51 42 N | 092 15 51 W |
| Silberstein Prospect | Mine | 166 | Independence | 35 51 21 N | 091 36 19 W |
| Silbey Cove | Valley | | Newton | 35 57 23 N | 093 20 24 W |
| Silent Grove | Populated Place | 396 | Benton | 36 13 19 N | 094 09 36 W |
| Silent Grove Cemetery | Cemetery | 395 | Benton | 36 13 18 N | 094 09 35 W |
| Silent Grove Church | Church | 396 | Benton | 36 13 20 N | 094 09 34 W |
| Silent Grove School (historical) | School | 398 | Benton | 36 13 21 N | 094 09 35 W |
| Silers Chute (historical) | Channel | 67 | Jefferson | 34 28 00 N | 092 05 29 W |
| Silers Island | Area | 69 | Jefferson | 34 28 33 N | 092 05 41 W |
| Silex | Populated Place | 280 | Pope | 35 30 02 N | 093 12 55 W |
| Silex Gas Field | Oilfield | 267 | Pope | 35 30 13 N | 093 12 56 W |
| Silex School (historical) | School | 175 | Pope | 35 29 02 N | 093 12 13 W |
| Silica Heights Church (historical) | Church | 117 | Saline | 34 33 07 N | 092 33 45 W |
| Sills | Populated Place | 111 | Yell | 35 16 40 N | 093 16 38 W |
| Siloam Cemetery | Cemetery | 143 | Randolph | 36 27 13 N | 090 54 09 W |
| Siloam Church | Church | 136 | Randolph | 36 27 13 N | 090 54 12 W |
| Siloam School (historical) | School | 128 | Nevada | 33 34 20 N | 093 17 58 W |
| Siloam Springs | Populated Place | 345 | Benton | 36 11 17 N | 094 32 26 W |
| Siloam Springs Golf Course | Locale | 342 | Benton | 36 11 30 N | 094 31 18 W |
| Siloam Springs High School | School | 348 | Benton | 36 10 50 N | 094 33 21 W |
| Siloam Springs Junior High School | School | 350 | Benton | 36 10 33 N | 094 32 35 W |
| Siloam Springs Lake | Reservoir | 319 | Benton | 36 13 24 N | 094 32 31 W |
| Siloam Springs Lake Dam | Dam | 319 | Benton | 36 13 24 N | 094 32 31 W |
| Siloam Springs Memorial Hospital | Hospital | 343 | Benton | 36 10 53 N | 094 32 26 W |
| Siloam Springs Memorial Hospital Heliport | Airport | 345 | Benton | 36 10 53 N | 094 32 28 W |
| Siloam Springs Middle School | School | 336 | Benton | 36 11 49 N | 094 32 34 W |
| Siloam Springs Municipal Park | Park | 332 | Benton | 36 11 00 N | 094 32 26 W |
| Siloam Springs Post Office | Post Office | 342 | Benton | 36 11 12 N | 094 32 25 W |
| Silt (historical) | Populated Place | 55 | Lincoln | 34 04 03 N | 091 40 27 W |
| Silva School (historical) | School | 90 | Jefferson | 34 27 42 N | 092 08 16 W |
| Silver | Populated Place | 184 | Montgomery | 34 32 05 N | 093 30 37 W |
| Silver Cloud Church | Church | 72 | Phillips | 34 30 31 N | 090 35 54 W |
| Silver Creek | Stream | | Union | 33 21 50 N | 092 52 10 W |
| Silver Creek (subdivision) | Populated Place | 85 | Pulaski | 34 48 25 N | 092 13 19 W |
| Silver Hill | Populated Place | 289 | Searcy | 35 58 14 N | 092 44 46 W |
| Silver Hill Cemetery | Cemetery | 293 | Searcy | 35 57 40 N | 092 44 39 W |
| Silver Hill Cemetery | Cemetery | 44 | Union | 33 21 31 N | 092 52 34 W |
| Silver Hill Church | Church | 42 | Union | 33 21 31 N | 092 52 31 W |
| Silver Hollow | Valley | | Marion | 36 07 18 N | 092 32 14 W |
| Silver Hollow Shoal | Bar | 138 | Marion | 36 07 16 N | 092 32 06 W |
| Silver Lake | Lake | 47 | Desha | 33 58 32 N | 091 26 00 W |
| Silver Lake | Swamp | 79 | Miller | 33 34 23 N | 093 53 22 W |
| Silver Mound Cemetery | Cemetery | 41 | Drew | 33 24 57 N | 091 28 02 W |
| Silver Mound Church | Church | 38 | Drew | 33 24 46 N | 091 27 46 W |
| Silver Point Trail | Trail | 456 | Pope | 35 38 58 N | 093 06 16 W |
| Silver Ridge | Locale | 123 | Sevier | 33 58 20 N | 094 05 21 W |
| Silver Ridge Peninsula | Cape | 158 | Cleburne | 35 31 45 N | 092 03 34 W |
| Silver Springs (historical) | Populated Place | 339 | Benton | 36 17 03 N | 094 03 24 W |
| Silver Springs Church | Church | 98 | Ouachita | 33 30 27 N | 093 05 14 W |
| Silver Valley Community Hall | Locale | 316 | Boone | 36 14 21 N | 093 03 38 W |
| Silversmith Branch | Stream | | Logan | 35 17 34 N | 093 25 52 W |
| Simco (historical) | Populated Place | 109 | Sharp | 35 55 15 N | 091 23 01 W |
| Simkins Point | Summit | 256 | Van Buren | 35 41 26 N | 092 18 52 W |
| Simmon Hollow | Valley | | Randolph | 36 27 27 N | 091 15 54 W |
| Simmons | Populated Place | 108 | Independence | 35 48 22 N | 091 43 23 W |
| Simmons (historical) | Populated Place | 63 | Woodruff | 35 20 30 N | 091 13 48 W |
| Simmons Bridge | Bridge | 70 | Mississippi | 35 53 49 N | 090 04 27 W |
| Simmons Cemetery | Cemetery | 139 | Crawford | 35 29 25 N | 094 09 52 W |
| Simmons Cemetery | Cemetery | 75 | Lonoke | 34 43 42 N | 092 04 30 W |
| Simmons Church | Church | 80 | Clay | 36 14 13 N | 090 11 20 W |
| Simmons Creek | Stream | | Dallas | 33 55 04 N | 092 24 38 W |