Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Silver Lake | Lake | 147 | Clark | 40 18 18 N | 091 29 27 W |
| Silver Lake | Lake | 165 | Perry | 37 41 12 N | 089 59 06 W |
| Silver Lake | Lake | 257 | Reynolds | 37 29 07 N | 091 03 37 W |
| Silver Lake | Lake | 337 | Stone | 36 57 51 N | 093 24 49 W |
| Silver Lake | Populated Place | 174 | Perry | 37 41 01 N | 089 59 24 W |
| Silver Lake | Reservoir | 203 | Chariton | 39 36 39 N | 093 11 13 W |
| Silver Lake | Reservoir | 255 | St. Francois | 38 00 26 N | 090 32 15 W |
| Silver Lake | Swamp | 129 | St. Charles | 38 50 18 N | 090 36 24 W |
| Silver Lake Branch | Stream | | Stone | 36 56 31 N | 093 22 59 W |
| Silver Lake Pool | Reservoir | 201 | Chariton | 39 35 30 N | 093 11 07 W |
| Silver Lake School (historical) | School | 255 | Reynolds | 37 29 11 N | 091 03 00 W |
| Silver Mine | Locale | 256 | Madison | 37 33 25 N | 090 29 06 W |
| Silver Mine Dam | Dam | 178 | Madison | 37 33 30 N | 090 26 33 W |
| Silver Mine Recreation Area | Park | 225 | Madison | 37 33 38 N | 090 26 16 W |
| Silver Mine Sink | Basin | 383 | Laclede | 37 36 29 N | 092 38 24 W |
| Silver Mine Trail | Trail | 209 | Madison | 37 33 28 N | 090 26 29 W |
| Silver Mines Campground | Locale | 219 | Madison | 37 33 43 N | 090 26 29 W |
| Silver Mines Dam | Reservoir | 190 | Madison | 37 33 24 N | 090 26 00 W |
| Silver Mines Lake Resort Dam | Dam | 190 | Madison | 37 33 24 N | 090 26 00 W |
| Silver Mines Picnic Area | Locale | 178 | Madison | 37 33 12 N | 090 26 13 W |
| Silver Mines School (historical) | School | 262 | Madison | 37 33 23 N | 090 29 09 W |
| Silver Moon Church | Church | 354 | Newton | 36 56 52 N | 094 18 58 W |
| Silver Moon School (historical) | School | 346 | Newton | 36 56 39 N | 094 20 03 W |
| Silver Mountain | Summit | 299 | Madison | 37 32 40 N | 090 27 38 W |
| Silver Point Church | Church | 309 | Ste. Genevieve | 37 40 59 N | 090 11 05 W |
| Silver Shade Church | Church | 335 | Douglas | 36 52 23 N | 092 42 05 W |
| Silver Shade School | School | 300 | Ozark | 36 46 46 N | 092 18 48 W |
| Silver Shade School (historical) | School | 323 | Douglas | 36 51 58 N | 092 42 41 W |
| Silver Shade School (historical) | School | 456 | Webster | 37 07 05 N | 092 55 14 W |
| Silver Spring | Spring | | St. Charles | 38 50 37 N | 090 50 02 W |
| Silver Spring Creek | Stream | | St. Charles | 38 50 42 N | 090 49 32 W |
| Silver Springs | Populated Place | 248 | St. Francois | 37 59 57 N | 090 31 28 W |
| Silver Springs Church | Church | 284 | St. Francois | 37 59 55 N | 090 30 34 W |
| Silver Star School (historical) | School | 312 | Dade | 37 19 52 N | 093 37 35 W |
| Silverdale Cemetery | Cemetery | 75 | Dunklin | 36 01 05 N | 090 12 41 W |
| Silverdale Church | Church | 75 | Dunklin | 36 00 59 N | 090 12 44 W |
| Silverdale School (historical) | School | 259 | Bates | 38 22 57 N | 094 29 08 W |
| Silverdale School (historical) | School | 74 | Dunklin | 36 01 03 N | 090 12 45 W |
| Silverlake Enterprizes Lake | Reservoir | 311 | Cass | 38 47 54 N | 094 28 25 W |
| Silverlake Enterprizes Lake Dam | Dam | 311 | Cass | 38 47 54 N | 094 28 25 W |
| Silverleaf | Populated Place | 236 | Livingston | 39 54 17 N | 093 36 58 W |
| Silvers Cemetery | Cemetery | 287 | DeKalb | 39 48 48 N | 094 32 02 W |
| Silverton | Populated Place | 341 | Douglas | 36 49 02 N | 092 33 56 W |
| Silvey Branch | Stream | | Webster | 37 06 02 N | 092 50 25 W |
| Silvey Cemetery | Cemetery | 245 | Morgan | 38 14 51 N | 092 48 56 W |
| Silvey Cemetery | Cemetery | 255 | Washington | 37 57 10 N | 090 55 47 W |
| Silvey Cemetery | Cemetery | 459 | Webster | 37 04 29 N | 092 49 14 W |
| Sim Layton School | School | 172 | Perry | 37 44 31 N | 089 57 12 W |
| Simcoe | Populated Place | 388 | McDonald | 36 43 18 N | 094 10 03 W |
| Similin Cemetery | Cemetery | 314 | Laclede | 37 44 00 N | 092 29 11 W |
| Similin Creek | Stream | | Laclede | 37 43 59 N | 092 27 27 W |
| Similin School (historical) | School | 318 | Laclede | 37 43 55 N | 092 29 21 W |
| Simler | Populated Place | 238 | Adair | 40 07 21 N | 092 41 44 W |
| Simmons | Populated Place | 342 | Texas | 37 13 50 N | 092 00 56 W |
| Simmons Branch | Stream | | Dent | 37 39 11 N | 091 26 29 W |
| Simmons Cemetery | Cemetery | 263 | Howard | 39 14 39 N | 092 41 58 W |
| Simmons Cemetery | Cemetery | 86 | New Madrid | 36 37 37 N | 089 42 34 W |
| Simmons Ford Public Access | Locale | 329 | Texas | 37 14 30 N | 092 00 36 W |
| Simmons Hill Mine | Mine | 375 | Dent | 37 37 58 N | 091 33 01 W |
| Simmons Hollow | Valley | | Franklin | 38 13 21 N | 090 55 47 W |
| Simmons Lake | Reservoir | 292 | Caldwell | 39 37 42 N | 094 07 31 W |
| Simmons Lake Dam | Dam | 292 | Caldwell | 39 37 42 N | 094 07 31 W |
| Simmons Lake Dam | Dam | 216 | Shelby | 39 43 18 N | 091 52 31 W |
| Simmons Ridge | Ridge | 289 | Ozark | 36 38 31 N | 092 22 49 W |
| Simmons School | School | 348 | Dent | 37 39 25 N | 091 27 06 W |
| Simmons School | School | 155 | St. Louis (city) | 38 39 41 N | 090 14 15 W |
| Simmons School | School | 362 | Texas | 37 13 33 N | 092 01 07 W |
| Simmons School (historical) | School | 242 | Cooper | 38 53 28 N | 092 54 01 W |
| Simms Creek | Stream | | St. Clair | 38 00 01 N | 093 52 59 W |
| Simms Flat | Flat | 346 | Crawford | 37 48 12 N | 091 14 29 W |
| Simms Mountain | Summit | 451 | St. Francois | 37 47 51 N | 090 33 41 W |
| Simms School | School | 257 | Audrain | 39 11 21 N | 091 58 21 W |
| Simms Valley School | School | 369 | Howell | 36 59 57 N | 091 50 27 W |
| Simonsen Junior High School | School | 189 | Cole | 38 34 16 N | 092 10 07 W |
| Simpson | Populated Place | 242 | Lafayette | 39 05 00 N | 093 44 60 W |
| Simpson | Populated Place | 232 | Oregon | 36 39 38 N | 091 22 25 W |
| Simpson Branch | Stream | | Montgomery | 38 52 24 N | 091 35 08 W |
| Simpson Branch | Stream | | Washington | 38 02 37 N | 090 50 14 W |
| Simpson Cemetery | Cemetery | 266 | Callaway | 38 57 55 N | 092 07 55 W |
| Simpson Cemetery | Cemetery | 315 | Laclede | 37 37 46 N | 092 20 30 W |
| Simpson Cemetery | Cemetery | 294 | St. Francois | 37 40 33 N | 090 15 34 W |
| Simpson Chapel | Church | 267 | Callaway | 38 57 55 N | 092 07 52 W |
| Simpson Creek | Stream | | Ripley | 36 39 05 N | 090 50 56 W |
| Simpson Creek School | School | 114 | Ripley | 36 39 25 N | 090 50 16 W |
| Simpson Farms Lake Dam | Dam | 198 | Monroe | 39 28 06 N | 091 51 07 W |
| Simpson Mine | Mine | 249 | Moniteau | 38 29 00 N | 092 40 22 W |
| Simpson Mountain | Summit | 380 | Douglas | 36 49 27 N | 092 15 26 W |
| Simpson School (historical) | School | 82 | Dunklin | 36 21 36 N | 089 59 20 W |
| Simpson School (historical) | School | 322 | Laclede | 37 38 33 N | 092 20 58 W |
| Simpson School (historical) | School | 198 | Shannon | 37 12 29 N | 091 14 01 W |
| Simpson Spring | Spring | 235 | Oregon | 36 41 17 N | 091 24 38 W |
| Simrell Cemetery | Cemetery | 284 | Cedar | 37 47 08 N | 093 42 14 W |
| Sims | Locale | 87 | New Madrid | 36 35 19 N | 089 36 52 W |
| Sims (historical) | Populated Place | 91 | Butler | 36 32 45 N | 090 30 28 W |
| Sims Branch | Stream | | Greene | 37 24 18 N | 093 19 26 W |
| Sims Cemetery | Cemetery | 93 | Butler | 36 32 47 N | 090 30 58 W |
| Sims Cemetery | Cemetery | 301 | Ozark | 36 37 24 N | 092 26 43 W |
| Sims Lake | Reservoir | 310 | Cass | 38 47 12 N | 094 24 01 W |
| Sims Lake | Swamp | 262 | Holt | 40 09 49 N | 095 24 23 W |
| Sims Lake Dam | Dam | 249 | Audrain | 39 15 48 N | 092 12 07 W |
| Sims Lake Dam | Dam | 310 | Cass | 38 47 12 N | 094 24 01 W |
| Sims Point | Populated Place | 314 | Dade | 37 28 32 N | 093 57 19 W |
| Sims Valley | Valley | | Howell | 36 57 27 N | 091 50 51 W |
| Sims Valley Community Lake | Reservoir | 372 | Howell | 37 00 24 N | 091 50 55 W |
| Sims Valley Community Lake Dam | Dam | 372 | Howell | 37 00 24 N | 091 50 55 W |
| Sims Valley State Community Lake | Reservoir | 373 | Howell | 37 00 22 N | 091 50 53 W |
| Singer Iron Bank | Mine | 190 | Iron | 37 18 15 N | 090 40 51 W |
| Singleton Branch | Stream | | Clark | 40 26 36 N | 091 39 39 W |
| Singleton Branch | Stream | | Platte | 39 29 02 N | 094 48 29 W |
| Singleton Lake (historical) | Lake | 242 | Buchanan | 39 38 50 N | 095 00 17 W |