Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Pleasant Valley | Populated Place | 313 | Marion | 39 27 19 N | 080 08 30 W |
| Pleasant Valley Elementary School | School | 327 | Marion | 39 27 32 N | 080 08 39 W |
| Pleasant Valley Fire Department | Building | 305 | Marion | 39 27 10 N | 080 08 39 W |
| Pleasant View | Populated Place | 320 | Marion | 39 32 56 N | 080 07 14 W |
| Plum Run | Stream | | Marion | 39 30 50 N | 080 17 02 W |
| Poplar Island | Island | 274 | Marion | 39 25 04 N | 080 08 48 W |
| Powell | Populated Place | 274 | Marion | 39 24 19 N | 080 07 27 W |
| Powell School (historical) | School | 338 | Marion | 39 24 32 N | 080 07 13 W |
| Price Run | Stream | | Marion | 39 31 22 N | 080 23 22 W |
| Prickett Cemetery | Cemetery | 262 | Marion | 39 30 56 N | 080 05 47 W |
| Prickett Creek | Stream | | Marion | 39 31 07 N | 080 05 28 W |
| Pricketts Fort State Park | Park | 269 | Marion | 39 31 01 N | 080 05 40 W |
| Pride Cemetery | Cemetery | 545 | Marion | 39 26 14 N | 079 59 45 W |
| Pyles Fork | Stream | | Marion | 39 31 50 N | 080 20 38 W |
| Quiet Dell Church | Church | 427 | Marion | 39 25 17 N | 080 04 53 W |
| Quiet Dell School (historical) | School | 437 | Marion | 39 25 07 N | 080 04 36 W |
| Rachel | Populated Place | 292 | Marion | 39 31 06 N | 080 18 13 W |
| Rachel H and F Club Dam | Dam | 293 | Marion | 39 31 12 N | 080 18 23 W |
| Rachel Post Office | Post Office | 293 | Marion | 39 31 03 N | 080 18 12 W |
| Rachel Spring | Spring | 344 | Marion | 39 31 35 N | 080 17 59 W |
| Rachel Spring | Spring | 313 | Marion | 39 31 15 N | 080 18 08 W |
| Radcliff | Populated Place | 280 | Marion | 39 31 24 N | 080 05 13 W |
| Reese Cemetery | Cemetery | 302 | Marion | 39 31 20 N | 080 18 32 W |
| Reuben Run | Stream | | Marion | 39 28 46 N | 080 05 01 W |
| Rex Run | Stream | | Marion | 39 33 22 N | 080 24 04 W |
| Rhea Church | Church | 314 | Marion | 39 27 43 N | 080 11 19 W |
| Richardson Cemetery | Cemetery | 339 | Marion | 39 30 53 N | 080 21 01 W |
| Ridge Farms | Populated Place | 346 | Marion | 39 33 52 N | 080 06 50 W |
| River Run | Stream | | Marion | 39 24 40 N | 080 08 08 W |
| River Run Church | Church | 322 | Marion | 39 24 02 N | 080 08 33 W |
| River Run School (historical) | School | 325 | Marion | 39 24 02 N | 080 08 35 W |
| Rivesville | Populated Place | 263 | Marion | 39 31 47 N | 080 07 00 W |
| Rivesville City Hall | Building | 261 | Marion | 39 31 46 N | 080 07 05 W |
| Rivesville Elementary-Middle School | School | 294 | Marion | 39 31 54 N | 080 07 41 W |
| Rivesville United Methodist Church | Church | 269 | Marion | 39 31 50 N | 080 07 10 W |
| Road Fork | Stream | | Marion | 39 28 19 N | 080 24 32 W |
| Robertson Island | Island | 269 | Marion | 39 25 38 N | 080 08 25 W |
| Robinson Run | Stream | | Marion | 39 26 26 N | 080 07 52 W |
| Robinson Run | Stream | | Marion | 39 33 47 N | 080 11 41 W |
| Robinson School (historical) | School | 297 | Marion | 39 27 10 N | 080 19 29 W |
| Rock Lake | Reservoir | 405 | Marion | 39 23 44 N | 080 04 12 W |
| Rock Lake Dam | Dam | 416 | Marion | 39 23 30 N | 080 04 11 W |
| Rudy Run | Stream | | Marion | 39 24 01 N | 080 04 37 W |
| Rush Run | Stream | | Marion | 39 35 12 N | 080 14 13 W |
| Russel Hawkins Spring | Spring | 293 | Marion | 39 30 02 N | 080 06 06 W |
| Rymer | Populated Place | 311 | Marion | 39 32 27 N | 080 26 24 W |
| Rymer Cemetery | Cemetery | 329 | Marion | 39 32 20 N | 080 26 21 W |
| Rymer United Methodist Church | Church | 313 | Marion | 39 32 27 N | 080 26 22 W |
| Saint John Methodist Church | Church | 312 | Marion | 39 35 13 N | 080 14 07 W |
| Saint Johns Cemetery | Cemetery | 312 | Marion | 39 35 13 N | 080 14 08 W |
| Saint Josephs Roman Catholic Church | Church | 312 | Marion | 39 29 23 N | 080 08 27 W |
| Saint Patrick Catholic Church | Church | 298 | Marion | 39 31 42 N | 080 20 40 W |
| Saint Paul Baptist Church | Church | 314 | Marion | 39 35 35 N | 080 14 54 W |
| Saint Peters Roman Catholic Church | Church | 309 | Marion | 39 29 12 N | 080 08 31 W |
| Saint Peters School | School | 320 | Marion | 39 29 14 N | 080 08 29 W |
| Salem Methodist Church (historical) | Church | 261 | Marion | 39 31 12 N | 080 05 25 W |
| Salt Lick Chapel | Church | 319 | Marion | 39 30 43 N | 080 19 18 W |
| Salt Lick Run | Stream | | Marion | 39 31 01 N | 080 19 08 W |
| Samaria | Populated Place | 328 | Marion | 39 26 54 N | 080 03 27 W |
| Samaria Church | Church | 334 | Marion | 39 26 53 N | 080 03 26 W |
| Sanford | Populated Place | 309 | Marion | 39 31 10 N | 080 07 37 W |
| Sapp Run | Stream | | Marion | 39 24 53 N | 080 12 19 W |
| Sarietta Church | Church | 293 | Marion | 39 25 03 N | 080 09 05 W |
| Satterfield (historical) | Populated Place | 310 | Marion | 39 32 34 N | 080 23 23 W |
| Schupp Cemetery | Cemetery | 322 | Marion | 39 32 14 N | 080 22 58 W |
| Scout Island | Island | 277 | Marion | 39 24 47 N | 080 08 28 W |
| Scratchers Run | Stream | | Marion | 39 29 27 N | 080 05 35 W |
| Scritchfield Cemetery | Cemetery | 338 | Marion | 39 28 53 N | 080 26 05 W |
| Seven Pines | Populated Place | 333 | Marion | 39 34 00 N | 080 26 30 W |
| Shaffer Cemetery | Cemetery | 361 | Marion | 39 34 05 N | 080 26 38 W |
| Shaffer School (historical) | School | 443 | Marion | 39 29 42 N | 080 23 30 W |
| Shagtown | Populated Place | 306 | Marion | 39 29 30 N | 080 07 46 W |
| Shavers Cemetery | Cemetery | 391 | Marion | 39 28 01 N | 080 12 27 W |
| Shaw Cemetery | Cemetery | 355 | Marion | 39 29 16 N | 080 25 06 W |
| Shaw School (historical) | School | 324 | Marion | 39 26 56 N | 080 03 28 W |
| Shiloh Baptist Church | Church | 369 | Marion | 39 29 02 N | 080 16 36 W |
| Shinn Run | Stream | | Marion | 39 28 29 N | 080 25 43 W |
| Shuman Run | Stream | | Marion | 39 36 23 N | 080 10 16 W |
| Site of Fort Prickett | Locale | 271 | Marion | 39 31 02 N | 080 05 39 W |
| Smithville | Populated Place | 309 | Marion | 39 33 11 N | 080 07 10 W |
| Snider Cemetery | Cemetery | 382 | Marion | 39 34 15 N | 080 29 12 W |
| Snoderly Cemetery | Cemetery | 311 | Marion | 39 29 58 N | 080 09 53 W |
| Snodgrass Cemetery | Cemetery | 341 | Marion | 39 33 39 N | 080 28 22 W |
| Snodgrass School (historical) | School | 335 | Marion | 39 33 50 N | 080 27 40 W |
| South State Street School (historical) | School | 324 | Marion | 39 28 33 N | 080 08 08 W |
| South Worthington | Populated Place | 288 | Marion | 39 26 50 N | 080 16 10 W |
| Springer School (historical) | School | 320 | Marion | 39 27 02 N | 080 06 09 W |
| Starkey Run | Stream | | Marion | 39 33 28 N | 080 27 32 W |
| State Road Fork | Stream | | Marion | 39 34 48 N | 080 22 12 W |
| State Road Run | Stream | | Marion | 39 35 45 N | 080 15 46 W |
| State Road School (historical) | School | 332 | Marion | 39 35 38 N | 080 24 27 W |
| Stringtown | Populated Place | 333 | Marion | 39 28 55 N | 080 21 08 W |
| Sturms Mill | Populated Place | 301 | Marion | 39 27 08 N | 080 19 25 W |
| Sugar Run | Stream | | Marion | 39 36 13 N | 080 15 58 W |
| Sullivan Cemetery | Cemetery | 391 | Marion | 39 30 01 N | 080 23 22 W |
| Sunny View Acres Cemetery | Cemetery | 360 | Marion | 39 30 52 N | 080 16 12 W |
| Sycamore Run | Stream | | Marion | 39 27 41 N | 080 15 07 W |
| Tarney Run | Stream | | Marion | 39 33 15 N | 080 10 43 W |
| Tevebaugh Chapel | Church | 293 | Marion | 39 28 15 N | 080 17 15 W |
| Tevebaugh Creek | Stream | | Marion | 39 27 06 N | 080 16 05 W |
| The Apostics of God Church | Church | 305 | Marion | 39 28 42 N | 080 07 52 W |
| The Baptist Temple | Church | 298 | Marion | 39 28 46 N | 080 07 56 W |
| The Church of Jesus Christ of Latter Day Saints | Church | 307 | Marion | 39 28 42 N | 080 07 50 W |
| The Little Red Church (historical) | Church | 329 | Marion | 39 35 35 N | 080 23 51 W |
| Thoburn | Populated Place | 308 | Marion | 39 27 47 N | 080 13 43 W |
| Thomas Cemetery | Cemetery | 355 | Marion | 39 35 43 N | 080 20 30 W |
| Thomas Cemetery | Cemetery | 318 | Marion | 39 23 53 N | 080 12 02 W |
| Thorn Cemetery | Cemetery | 323 | Marion | 39 31 15 N | 080 24 33 W |
| Toothman Cemetery | Cemetery | 372 | Marion | 39 34 52 N | 080 17 28 W |
| Toothman Run | Stream | | Marion | 39 34 06 N | 080 12 18 W |