Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Sixteenth Section | Populated Place | 53 | Drew | 33 39 45 N | 091 36 50 W |
| Sixteenth Section Cemetery | Cemetery | 40 | Drew | 33 29 35 N | 091 56 15 W |
| Sixteenth Section Cemetery | Cemetery | 85 | Lonoke | 35 03 19 N | 092 04 52 W |
| Sixteenth Section Church | Church | 83 | Lonoke | 35 03 21 N | 092 04 51 W |
| Sixteenth Section Church | Church | 77 | White | 35 08 47 N | 091 51 58 W |
| Sixteenth Section School (historical) | School | 115 | Lonoke | 35 02 18 N | 092 05 28 W |
| Sixteenth Street Baptist Church | Church | 85 | Pulaski | 34 46 10 N | 092 17 12 W |
| Sixth and Izard Church of Christ | Church | 96 | Pulaski | 34 44 38 N | 092 16 50 W |
| Sixth Avenue School | School | 68 | Jefferson | 34 13 27 N | 092 00 33 W |
| Sixth Grade Academic Center School | School | 104 | Craighead | 35 49 53 N | 090 42 10 W |
| Sixtyfifth Street Baptist Church | Church | 98 | Pulaski | 34 41 27 N | 092 21 07 W |
| Sixtyfifth Street Interchange | Crossing | 85 | Pulaski | 34 41 20 N | 092 18 21 W |
| Sixtyfifth Street Shopping Center | Locale | 94 | Pulaski | 34 41 23 N | 092 20 15 W |
| Skaggs | Populated Place | 81 | Randolph | 36 14 16 N | 090 54 26 W |
| Skaggs Baptist Church (historical) | Church | 81 | Randolph | 36 14 15 N | 090 54 27 W |
| Skaggs Church | Church | 80 | Randolph | 36 13 23 N | 090 53 54 W |
| Skaggs Ferry (historical) | Crossing | 78 | Randolph | 36 14 35 N | 090 53 40 W |
| Skaggs Hollow | Valley | | Yell | 34 45 29 N | 093 38 29 W |
| Skaggs Island | Island | 104 | Johnson | 35 24 04 N | 093 33 57 W |
| Skaggs Mountain | Summit | 501 | Yell | 34 44 45 N | 093 37 40 W |
| Skaggs School (historical) | School | 81 | Randolph | 36 13 49 N | 090 54 27 W |
| Skelton Creek | Stream | | Pike | 34 11 22 N | 093 41 43 W |
| Skelton Hill Mine | Mine | 210 | Izard | 35 53 30 N | 091 49 39 W |
| Skelton Hollow | Valley | | Washington | 35 46 52 N | 094 00 37 W |
| Skelton Mountain | Summit | 275 | Pike | 34 11 10 N | 093 40 49 W |
| Skelton-Hanford Prospect | Mine | 182 | Izard | 35 53 00 N | 091 50 34 W |
| Skidmore Ridge | Ridge | 58 | Lee | 34 46 30 N | 090 40 43 W |
| Skidmore School (historical) | School | 59 | Lee | 34 46 49 N | 090 40 28 W |
| Skidway Church (historical) | Church | 72 | Mississippi | 35 55 50 N | 090 10 20 W |
| Skidway School (historical) | School | 73 | Mississippi | 35 56 16 N | 090 09 31 W |
| Skillet Ditch | Canal | 70 | Jackson | 35 40 42 N | 091 06 09 W |
| Skinner Hill | Summit | 202 | Sebastian | 35 12 17 N | 094 17 23 W |
| Skinner Hollow | Valley | | Madison | 35 53 31 N | 093 55 29 W |
| Skinner Lake | Swamp | 42 | Desha | 33 56 32 N | 091 08 19 W |
| Skinners Branch | Stream | | Lonoke | 34 42 05 N | 091 44 12 W |
| Skinny Lake | Lake | 61 | St. Francis | 34 58 50 N | 090 41 50 W |
| Skipper Creek | Stream | | Clark | 34 12 28 N | 093 26 52 W |
| Skorda School (historical) | School | 67 | Prairie | 34 44 41 N | 091 36 30 W |
| Skull Cemetery | Cemetery | 54 | Arkansas | 34 02 09 N | 091 20 29 W |
| Skullbone Creek | Stream | | Grant | 34 22 30 N | 092 29 20 W |
| Sky Lake | Lake | 66 | Mississippi | 35 31 58 N | 090 16 27 W |
| Skylark (subdivision) | Populated Place | 92 | Pulaski | 34 39 30 N | 092 21 38 W |
| Skylight | Populated Place | 543 | Washington | 35 50 32 N | 094 23 40 W |
| Skylight Mountain | Summit | 574 | Washington | 35 50 01 N | 094 22 31 W |
| Skyline Heights Elementary School | School | 381 | Boone | 36 14 19 N | 093 07 18 W |
| Slabtown | Populated Place | 77 | Grant | 34 16 00 N | 092 23 58 W |
| Slack-LeGrande High School (historical) | School | 33 | Ashley | 33 02 53 N | 091 34 52 W |
| Slagley Hollow | Valley | | Boone | 36 22 13 N | 092 59 16 W |
| Slate Branch | Stream | | Cleburne | 35 31 02 N | 091 52 55 W |
| Slate Branch Cemetery | Cemetery | 138 | Saline | 34 37 24 N | 092 52 06 W |
| Slate Cemetery | Cemetery | 190 | Scott | 35 01 30 N | 094 11 13 W |
| Slate Creek | Stream | | Polk | 34 31 37 N | 094 25 20 W |
| Slate Creek | Stream | | Sevier | 34 09 42 N | 094 06 20 W |
| Slate Gap | Gap | 342 | Benton | 36 21 08 N | 093 53 54 W |
| Slate Hill | Summit | 156 | Independence | 35 43 12 N | 091 43 01 W |
| Slate Hill | Summit | 348 | Logan | 35 13 04 N | 093 40 54 W |
| Slatington (historical) | Populated Place | 326 | Montgomery | 34 27 50 N | 093 52 26 W |
| Slatington School (historical) | School | 323 | Montgomery | 34 27 52 N | 093 52 27 W |
| Slaty Bluff | Cliff | 84 | Perry | 34 57 25 N | 092 50 03 W |
| Slaty Branch | Stream | | Pulaski | 34 47 12 N | 092 36 09 W |
| Slaty Creek | Stream | | Polk | 34 39 11 N | 094 04 02 W |
| Slaty Crossing | Crossing | 90 | Yell | 35 04 55 N | 093 04 48 W |
| Slaty Crossing Catholic Cemetery | Cemetery | 99 | Yell | 35 05 57 N | 093 06 01 W |
| Slaty Crossing Church | Church | 98 | Yell | 35 05 59 N | 093 05 27 W |
| Slaty Ford | Crossing | 77 | Faulkner | 35 10 26 N | 092 30 04 W |
| Slaughter Pen Slough | Gut | 66 | Jackson | 35 34 37 N | 091 17 11 W |
| Slaughters Lake | Lake | 47 | Prairie | 34 42 53 N | 091 23 00 W |
| Slaven Mountain | Summit | 507 | Madison | 36 06 53 N | 093 32 21 W |
| Slavens Creek | Stream | | Greene | 36 09 40 N | 090 20 16 W |
| Slay Bend | Bend | 61 | Lafayette | 33 08 39 N | 093 50 13 W |
| Slay Cemetery | Cemetery | 192 | Searcy | 35 57 28 N | 092 50 25 W |
| Slaymore Experimental Forest | Park | 347 | Stone | 36 01 52 N | 092 10 43 W |
| Slayton Branch | Stream | | White | 35 13 06 N | 091 50 07 W |
| Slaytonville | Populated Place | 199 | Sebastian | 35 06 38 N | 094 26 19 W |
| Sleepy Valley Lake | Reservoir | 268 | Garland | 34 32 12 N | 093 01 37 W |
| Sleepy Valley Lower Lake | Reservoir | 181 | Garland | 34 32 06 N | 093 01 49 W |
| Sleepy Valley Middle Lake | Reservoir | 181 | Garland | 34 32 06 N | 093 01 49 W |
| Slick Rock Bluff | Cliff | 118 | Cleburne | 35 22 52 N | 091 53 27 W |
| Slick Rock Creek | Stream | | Marion | 36 04 50 N | 092 28 46 W |
| Slick Rock Creek | Stream | | Van Buren | 35 29 38 N | 092 29 09 W |
| Slick Rock Ford | Crossing | 101 | Cleburne | 35 22 40 N | 091 53 31 W |
| Slick Rock Ford | Locale | 124 | Fulton | 36 19 57 N | 091 34 09 W |
| Slick Top Mountain | Summit | 216 | Izard | 36 04 29 N | 092 02 13 W |
| Slicker (historical) | Populated Place | 265 | Searcy | 35 52 37 N | 092 50 06 W |
| Slicker School | School | 265 | Searcy | 35 52 39 N | 092 50 08 W |
| Slickrock Hollow | Valley | 283 | Carroll | 36 29 44 N | 093 47 23 W |
| Slide Off Bend | Bend | 43 | Desha | 33 47 21 N | 091 33 08 W |
| Sliger Cemetery | Cemetery | 171 | Scott | 34 53 51 N | 094 22 53 W |
| Slim Island Shoal | Bar | 23 | Calhoun | 33 22 42 N | 092 34 18 W |
| Slip-Up and Hitch (historical) | Populated Place | 228 | Howard | 34 14 45 N | 093 57 14 W |
| Slippery Lake | Lake | 52 | Prairie | 34 51 45 N | 091 26 32 W |
| Sloan | Populated Place | 82 | Lawrence | 36 09 58 N | 091 08 39 W |
| Sloan Branch | Stream | | Montgomery | 34 27 07 N | 093 41 36 W |
| Sloan Cemetery | Cemetery | 65 | Clark | 34 02 10 N | 093 13 20 W |
| Sloan Creek | Stream | | Columbia | 33 22 39 N | 093 01 02 W |
| Sloan Creek | Stream | | Sharp | 36 06 43 N | 091 37 17 W |
| Sloan Island | Island | 55 | Lincoln | 34 04 00 N | 091 33 14 W |
| Sloan Knob | Summit | 600 | Crawford | 35 43 04 N | 093 59 09 W |
| Sloan-Hendrix Elementary School | School | 101 | Lawrence | 36 12 05 N | 091 11 15 W |
| Sloan-Hendrix High School | School | 101 | Lawrence | 36 12 01 N | 091 11 11 W |
| Slocomb (historical) | Populated Place | 108 | Saline | 34 32 08 N | 092 43 37 W |
| Slocum Cemetery | Cemetery | 70 | Cross | 35 19 23 N | 090 58 55 W |
| Slocum Spring | Spring | 620 | Logan | 35 10 26 N | 093 40 34 W |
| Slonikers Mill | Populated Place | 63 | St. Francis | 35 00 28 N | 090 55 00 W |
| Slough Bridge | Bridge | 168 | Scott | 34 53 26 N | 094 23 07 W |
| Slough Creek | Stream | | Johnson | 35 25 30 N | 093 36 04 W |
| Slough Drainage Ditch | Canal | 79 | Clay | 36 18 19 N | 090 12 15 W |
| Slovak | Populated Place | 67 | Prairie | 34 38 55 N | 091 34 55 W |
| Slovaktown (historical) | Populated Place | 67 | Prairie | 34 38 15 N | 091 35 34 W |
| Slover Cemetery | Cemetery | 308 | Scott | 34 45 10 N | 094 15 49 W |