Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Singleton Cemetery | Cemetery | 16 | Wilkinson | 31 11 17 N | 091 31 37 W |
| Singleton Chapel (historical) | Church | 16 | Wilkinson | 31 11 16 N | 091 31 37 W |
| Singleton Church | Church | 101 | Winston | 33 11 06 N | 088 52 41 W |
| Singleton School (historical) | School | 140 | Leake | 32 54 23 N | 089 32 49 W |
| Singleton Settlement | Populated Place | 131 | Scott | 32 23 01 N | 089 24 32 W |
| Singleton United Methodist Church | Church | 140 | Leake | 32 54 21 N | 089 32 48 W |
| Singleton-Hall Cemetery | Cemetery | 112 | Lee | 34 25 07 N | 088 40 48 W |
| Singley Cemetery | Cemetery | 74 | Marion | 31 17 10 N | 089 43 45 W |
| Singley Lake Dam | Dam | 81 | Marion | 31 15 31 N | 089 46 48 W |
| Singley Lake Dam | Dam | 71 | Marion | 31 16 25 N | 089 42 48 W |
| Singley Ponds Dam | Dam | 57 | Marion | 31 13 31 N | 089 47 30 W |
| Sinkler Branch | Stream | | Simpson | 31 48 35 N | 090 05 10 W |
| Sioux Bayou | Stream | | Jackson | 30 24 30 N | 088 36 55 W |
| Sipsey Creek | Stream | | Monroe | 33 52 28 N | 088 17 17 W |
| Sipsey Creek | Stream | | Scott | 32 32 14 N | 089 23 20 W |
| Sipsey Fork | Populated Place | 93 | Monroe | 33 56 57 N | 088 14 37 W |
| Sisloff Junction | Populated Place | 44 | Leflore | 33 45 55 N | 090 13 36 W |
| Sisloff Junction Landing (historical) | Locale | 42 | Leflore | 33 45 57 N | 090 14 03 W |
| Sister Jerusalem Church | Church | 171 | Choctaw | 33 12 46 N | 089 12 28 W |
| Sitka Post Office (historical) | Post Office | 111 | Covington | 31 37 01 N | 089 24 30 W |
| Sivils Creek | Stream | | Newton | 32 22 10 N | 089 16 51 W |
| Siwel | Populated Place | 105 | Hinds | 32 14 50 N | 090 18 10 W |
| Six Mile Bayou | Stream | | Sharkey | 32 41 35 N | 090 46 26 W |
| Six Mile Cut-Off | Gut | 22 | Sharkey | 32 42 23 N | 090 44 30 W |
| Six Mile Lake | Lake | 37 | Leflore | 33 41 30 N | 090 12 07 W |
| Six Towns (historical) | Populated Place | 139 | Newton | 32 15 26 N | 089 14 00 W |
| Sixmile Bayou | Stream | | Washington | 33 14 31 N | 090 46 06 W |
| Sixmile Creek | Stream | | Oktibbeha | 33 33 52 N | 088 56 18 W |
| Sixmile Lake | Lake | 41 | Bolivar | 33 51 55 N | 090 49 10 W |
| Sixmile Lake | Lake | 29 | Leflore | 33 20 21 N | 090 26 53 W |
| Sixmile Lake | Lake | 48 | Tunica | 34 27 54 N | 090 20 48 W |
| Sixteen Cemetery | Cemetery | 107 | Franklin | 31 34 46 N | 090 55 21 W |
| Sixteen Cemetery | Cemetery | 176 | Winston | 33 09 28 N | 088 52 05 W |
| Sixteenth Section Cemetery | Cemetery | 36 | Sunflower | 33 36 28 N | 090 30 17 W |
| Sixteenth Section Missionary Baptist Church | Church | 92 | Oktibbeha | 33 30 39 N | 088 44 18 W |
| Sixteenth Section School (historical) | School | 70 | Lowndes | 33 38 53 N | 088 24 50 W |
| Sixteenth Section School (historical) | School | 36 | Sunflower | 33 36 25 N | 090 30 16 W |
| Sixth Bayou | Stream | | Jackson | 30 26 07 N | 088 35 14 W |
| Skates (historical) | Locale | 108 | Hinds | 32 11 44 N | 090 37 40 W |
| Skeen Cemetery | Cemetery | 139 | Attala | 32 58 13 N | 089 37 46 W |
| Skene | Populated Place | 40 | Bolivar | 33 42 13 N | 090 47 39 W |
| Skene School | School | 40 | Bolivar | 33 42 15 N | 090 47 54 W |
| Skiff Lake | Lake | 44 | Coahoma | 33 59 30 N | 090 35 11 W |
| Skiffer Creek | Stream | | Simpson | 31 45 06 N | 089 47 00 W |
| Skillakalla Bayou Landing (historical) | Locale | 16 | Warren | 32 29 34 N | 090 48 15 W |
| Skillikalia Bayou | Stream | | Warren | 32 29 31 N | 090 48 17 W |
| Skinner Creek | Stream | | Greene | 31 02 04 N | 088 39 45 W |
| Skinner Creek | Stream | | Oktibbeha | 33 22 05 N | 088 48 30 W |
| Skinner Police Academy | School | 92 | Hinds | 32 18 48 N | 090 13 53 W |
| Skinners Cemetery | Cemetery | 68 | Adams | 31 32 05 N | 091 20 41 W |
| Skipper Lake Dam | Dam | 76 | Noxubee | 32 57 30 N | 088 37 00 W |
| Skipwith Landing | Locale | 29 | Issaquena | 32 56 55 N | 091 04 53 W |
| Skull Creek | Stream | | Greene | 31 10 47 N | 088 47 17 W |
| Skull Creek Hills | Range | 52 | Greene | 31 12 01 N | 088 46 00 W |
| Skuna | Populated Place | 75 | Calhoun | 33 57 29 N | 089 27 19 W |
| Skuna River | Stream | | Grenada | 33 52 30 N | 089 42 40 W |
| Skuna River Canal | Canal | 73 | Calhoun | 33 57 12 N | 089 27 04 W |
| Skuna River Structure Y-22-9 Dam | Dam | 116 | Pontotoc | 34 06 24 N | 089 02 12 W |
| Skuna Turkey Creek Public Use Area | Park | 70 | Yalobusha | 33 52 40 N | 089 41 20 W |
| Sky Lake | Lake | 29 | Humphreys | 33 16 33 N | 090 30 29 W |
| Sky Lake Bend Cemetery | Cemetery | 35 | Humphreys | 33 17 04 N | 090 28 53 W |
| Sky Lake Swamp | Swamp | 29 | Humphreys | 33 15 40 N | 090 29 50 W |
| Sky View Church | Church | 111 | Jones | 31 45 30 N | 088 57 00 W |
| Skybrand Lake | Reservoir | 87 | DeSoto | 34 43 46 N | 089 59 30 W |
| Skyline | Populated Place | 91 | Lee | 34 15 49 N | 088 38 28 W |
| Skyway Hills (subdivision) | Populated Place | 97 | Rankin | 32 17 16 N | 090 05 15 W |
| Skyway Hills Baptist Church | Church | 108 | Rankin | 32 17 04 N | 090 05 15 W |
| Skyway Hills Church of Christ | Church | 108 | Rankin | 32 17 04 N | 090 05 18 W |
| Slab Branch | Stream | | Alcorn | 34 57 05 N | 088 22 25 W |
| Slack Ridge Church (historical) | Church | 124 | Lafayette | 34 17 06 N | 089 22 19 W |
| Slade Cemetery | Cemetery | 88 | Lamar | 31 19 55 N | 089 36 55 W |
| Slade Cemetery | Cemetery | 91 | Lamar | 31 01 08 N | 089 26 34 W |
| Slade Cemetery | Cemetery | 105 | Lamar | 31 04 38 N | 089 21 34 W |
| Slade Cemetery | Cemetery | 115 | Pike | 31 05 02 N | 090 26 29 W |
| Slade Church | Church | 105 | Lamar | 31 04 36 N | 089 21 35 W |
| Slate Spring | Populated Place | 102 | Calhoun | 33 44 26 N | 089 22 16 W |
| Slater Ferry (historical) | Crossing | 32 | Washington | 33 14 32 N | 090 43 53 W |
| Slates Store (historical) | Locale | 104 | Lafayette | 34 25 47 N | 089 42 15 W |
| Slaughter Cemetery | Cemetery | 64 | Noxubee | 32 57 49 N | 088 34 28 W |
| Slaughter Flat Landing | Populated Place | 8 | Jackson | 30 34 20 N | 088 25 01 W |
| Slaughter Lake Dam | Dam | 81 | Oktibbeha | 33 20 48 N | 088 49 00 W |
| Slaughter Lake Dam | Dam | 79 | Oktibbeha | 33 21 18 N | 088 49 18 W |
| Slaven Cemetery | Cemetery | 101 | Pike | 31 06 01 N | 090 22 40 W |
| Slavonia (historical) | Populated Place | 24 | George | 30 46 19 N | 088 47 10 W |
| Slay Bridge | Bridge | 87 | Clarke | 32 02 23 N | 088 34 02 W |
| Slay Cemetery | Cemetery | 39 | Greene | 31 23 29 N | 088 33 50 W |
| Slay Cemetery | Cemetery | 125 | Scott | 32 34 06 N | 089 35 39 W |
| Slay Creek | Stream | | Scott | 32 35 39 N | 089 36 42 W |
| Slayden | Populated Place | 174 | Marshall | 34 56 49 N | 089 26 27 W |
| Slayden Baptist Church | Church | 174 | Marshall | 34 56 49 N | 089 26 21 W |
| Slayden Cemetery | Cemetery | 165 | Marshall | 34 57 12 N | 089 26 26 W |
| Slayden School (historical) | School | 160 | Marshall | 34 55 54 N | 089 24 10 W |
| Slayton Creek | Stream | | Copiah | 31 42 44 N | 090 39 39 W |
| Sledge | Populated Place | 51 | Quitman | 34 25 55 N | 090 13 15 W |
| Sledge Bayou | Stream | | Quitman | 34 11 25 N | 090 12 13 W |
| Sledge Crevasse | Lake | 46 | Bolivar | 33 59 56 N | 090 56 40 W |
| Sledge Elementary School | School | 51 | Quitman | 34 26 11 N | 090 13 04 W |
| Sledge High School | School | 51 | Quitman | 34 26 05 N | 090 13 04 W |
| Sledgeville (historical) | Locale | 110 | Panola | 34 29 45 N | 089 56 00 W |
| Sleeper Cemetery | Cemetery | 101 | Amite | 31 10 26 N | 090 48 20 W |
| Sleeper Creek | Stream | | Forrest | 31 02 52 N | 089 20 35 W |
| Sleepy Hollow | Populated Place | 32 | Humphreys | 32 58 05 N | 090 35 03 W |
| Sleepy Hollow (subdivision) | Populated Place | 80 | Lowndes | 33 32 40 N | 088 26 50 W |
| Sleigo Presbyterian Church | Church | 111 | Covington | 31 38 21 N | 089 44 00 W |
| Slick Creek | Stream | | Lafayette | 34 15 01 N | 089 15 50 W |
| Slick Rock Branch | Stream | | Tishomingo | 34 57 21 N | 088 13 13 W |
| Slidell School (historical) | School | 63 | Jones | 31 37 22 N | 089 18 51 W |
| Sligo Plantation (historical) | Locale | 35 | Washington | 33 18 17 N | 090 54 07 W |
| Sloan | Populated Place | 78 | Madison | 32 33 37 N | 090 03 35 W |
| Sloan Creek | Stream | | Monroe | 33 58 13 N | 088 40 48 W |