Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Prairie Chapel | Church | 158 | Greene | 38 58 41 N | 087 00 57 W |
| Prairie Chapel Cemetery | Cemetery | 281 | Clinton | 40 18 00 N | 086 15 43 W |
| Prairie Church | Church | 247 | Hamilton | 40 05 17 N | 085 54 15 W |
| Prairie Church | Church | 256 | Wells | 40 41 31 N | 085 11 20 W |
| Prairie City | Populated Place | 179 | Clay | 39 26 44 N | 087 06 48 W |
| Prairie Creek | Populated Place | 161 | Vigo | 39 16 30 N | 087 29 50 W |
| Prairie Creek | Stream | | Boone | 40 08 19 N | 086 36 18 W |
| Prairie Creek | Stream | | Clay | 39 25 41 N | 087 06 24 W |
| Prairie Creek | Stream | | Clinton | 40 18 53 N | 086 30 42 W |
| Prairie Creek | Stream | | Daviess | 38 39 41 N | 087 14 18 W |
| Prairie Creek | Stream | | Delaware | 40 08 59 N | 085 17 50 W |
| Prairie Creek | Stream | | Fountain | 40 00 57 N | 087 22 45 W |
| Prairie Creek | Stream | | Huntington | 40 43 52 N | 085 33 48 W |
| Prairie Creek | Stream | | Madison | 40 00 24 N | 085 44 35 W |
| Prairie Creek | Stream | | Sullivan | 39 13 50 N | 087 34 27 W |
| Prairie Creek | Stream | | Tipton | 40 14 33 N | 086 05 60 W |
| Prairie Creek | Stream | | Wabash | 40 52 58 N | 085 50 20 W |
| Prairie Creek | Stream | | Wells | 40 36 49 N | 085 21 16 W |
| Prairie Creek Church | Church | 196 | Fountain | 40 02 16 N | 087 16 36 W |
| Prairie Creek Church | Church | 163 | Vigo | 39 18 39 N | 087 26 45 W |
| Prairie Creek Dam Number A-3-1 | Dam | 164 | Daviess | 38 46 42 N | 086 55 42 W |
| Prairie Creek Reservoir | Reservoir | 302 | Delaware | 40 08 46 N | 085 17 36 W |
| Prairie Creek Reservoir Dam | Dam | 302 | Delaware | 40 08 47 N | 085 17 30 W |
| Prairie Creek Structure Number A-2-1 | Dam | 150 | Daviess | 38 44 24 N | 086 59 47 W |
| Prairie Creek Structure Number A-2-2 | Dam | 154 | Daviess | 38 44 51 N | 086 58 32 W |
| Prairie Creek Structure Number A-2-3 | Dam | 149 | Daviess | 38 46 18 N | 087 01 06 W |
| Prairie Creek Structure Number A-3-2 | Dam | 155 | Daviess | 38 47 06 N | 086 58 54 W |
| Prairie Creek Structure Number A-4-1 | Dam | 157 | Daviess | 38 47 24 N | 086 56 36 W |
| Prairie Creek Structure Number B-2-1 | Dam | 149 | Daviess | 38 42 45 N | 087 00 21 W |
| Prairie Creek Structure Number B-3-1 | Dam | 153 | Daviess | 38 40 18 N | 087 02 06 W |
| Prairie Creek Structure Number B-3-2 | Dam | 154 | Daviess | 38 38 36 N | 087 00 54 W |
| Prairie Creek Structure Number B-4-7 | Dam | 144 | Daviess | 38 40 18 N | 087 01 12 W |
| Prairie Dam Number 2 | Dam | 155 | Vigo | 39 19 30 N | 087 26 18 W |
| Prairie Ditch | Canal | 195 | Miami | 40 46 08 N | 086 05 17 W |
| Prairie Grove Cemetery | Cemetery | 238 | Allen | 41 01 37 N | 085 10 16 W |
| Prairie Grove Church | Church | 275 | Delaware | 40 20 30 N | 085 32 07 W |
| Prairie Grove Church | Church | 231 | Fulton | 41 00 40 N | 086 21 10 W |
| Prairie Heights School | School | 299 | LaGrange | 41 38 12 N | 085 11 57 W |
| Prairie Run | Stream | | Howard | 40 25 49 N | 085 52 12 W |
| Prairie Street Cemetery | Cemetery | 233 | Elkhart | 41 39 22 N | 085 57 40 W |
| Prairie View Cemetery | Cemetery | 253 | Wells | 40 50 50 N | 085 06 37 W |
| Prairie Vine Cemetery | Cemetery | 206 | Newton | 40 53 42 N | 087 28 03 W |
| Prairie West Park | Park | 213 | Lake | 41 26 57 N | 087 28 50 W |
| Prairieton | Populated Place | 146 | Vigo | 39 22 12 N | 087 28 28 W |
| Prairieville Church | Church | 269 | Tipton | 40 23 45 N | 086 13 02 W |
| Prange Ditch | Canal | 251 | Marion | 39 47 53 N | 085 58 37 W |
| Prater Cemetery | Cemetery | 214 | Jasper | 41 02 19 N | 087 07 07 W |
| Prather | Populated Place | 161 | Clark | 38 22 54 N | 085 41 34 W |
| Prather | Populated Place | 188 | Morgan | 39 22 41 N | 086 27 19 W |
| Prather Ditch | Canal | 215 | Pulaski | 40 58 57 N | 086 32 21 W |
| Pratsburg Cemetery | Cemetery | 298 | Ripley | 39 09 37 N | 085 11 07 W |
| Pratt Cemetery | Cemetery | 275 | Hancock | 39 52 06 N | 085 43 43 W |
| Pratt Lake | Lake | 191 | Porter | 41 37 11 N | 087 04 47 W |
| Prattsburg | Populated Place | 296 | Ripley | 39 09 42 N | 085 11 17 W |
| Praul Ditch | Canal | 262 | DeKalb | 41 26 33 N | 084 50 55 W |
| Prayer House of Faith | Church | 184 | Lake | 41 35 17 N | 087 19 59 W |
| Prayer Outreach Deliverance Church | Church | 183 | Lake | 41 34 00 N | 087 24 35 W |
| Prayer Tower Fellowship Church | Church | 182 | Lake | 41 33 58 N | 087 23 31 W |
| Preble | Populated Place | 248 | Adams | 40 49 56 N | 085 00 53 W |
| Precint Ridge | Ridge | 260 | Monroe | 39 18 22 N | 086 26 27 W |
| Precious Blood School | School | 232 | Allen | 41 05 19 N | 085 09 05 W |
| Prentice Presbyterian Church | Church | 248 | Marion | 39 49 34 N | 086 05 18 W |
| Presbyterian Chapel of the Lakes | Church | 315 | Steuben | 41 41 07 N | 085 02 50 W |
| Presbyterian National Missions Lake | Reservoir | 195 | Scott | 38 39 24 N | 085 38 12 W |
| Presbyterian National Missions Lake Dam | Dam | 195 | Scott | 38 39 24 N | 085 38 12 W |
| Prescott | Populated Place | 256 | Shelby | 39 28 45 N | 085 42 30 W |
| Prescott Grove Cemetery | Cemetery | 184 | Fountain | 40 08 59 N | 087 23 18 W |
| President Harrisons Home | Building | 219 | Marion | 39 47 02 N | 086 09 17 W |
| Preston | Populated Place | 152 | Vigo | 39 30 24 N | 087 22 19 W |
| Preston Miles Ditch | Canal | 251 | Kosciusko | 41 25 59 N | 085 51 10 W |
| Pretty Lake | Lake | 293 | LaGrange | 41 34 29 N | 085 14 58 W |
| Pretty Lake | Lake | 240 | Marshall | 41 19 34 N | 086 22 23 W |
| Pretty Lake Church | Church | 250 | Marshall | 41 19 55 N | 086 23 10 W |
| Pretty Prairie Cemetery | Cemetery | 188 | Tippecanoe | 40 32 45 N | 086 47 25 W |
| Pretty Prairie Church | Church | 277 | LaGrange | 41 45 02 N | 085 20 19 W |
| Pretty Prairie Creek Road Dam | Dam | 237 | Tippecanoe | 41 32 12 N | 086 47 24 W |
| Prettyman Ditch | Canal | 204 | Starke | 41 18 10 N | 086 43 18 W |
| Prewett Cemetery | Cemetery | 256 | Madison | 40 12 25 N | 085 48 23 W |
| Priam Run | Stream | | Blackford | 40 26 14 N | 085 13 24 W |
| Price Cemetery | Cemetery | 238 | Howard | 40 28 30 N | 086 15 49 W |
| Price Cemetery | Cemetery | 210 | Jasper | 41 00 59 N | 087 07 44 W |
| Price Cemetery | Cemetery | 147 | Knox | 38 48 27 N | 087 23 33 W |
| Price Cemetery | Cemetery | 135 | Posey | 38 09 55 N | 087 51 37 W |
| Price Creek | Stream | | Wayne | 39 55 37 N | 085 06 03 W |
| Price Ditch | Canal | 335 | Randolph | 40 10 26 N | 084 51 33 W |
| Price Lake | Lake | 265 | Kosciusko | 41 20 49 N | 085 40 39 W |
| Price Plank Ditch | Stream | | Carroll | 40 37 23 N | 086 24 46 W |
| Prides Creek | Stream | | Pike | 38 30 36 N | 087 17 41 W |
| Prides Creek Lake | Reservoir | 147 | Pike | 38 29 06 N | 087 16 00 W |
| Prides Creek Lake Dam Number 4 | Dam | 147 | Pike | 38 29 06 N | 087 16 00 W |
| Priest Ditch | Canal | 275 | Jay | 40 29 43 N | 085 01 32 W |
| Primera Iglesia Christian | Church | 195 | Lake | 41 32 39 N | 087 17 14 W |
| Prince Creek | Stream | | Bartholomew | 39 19 04 N | 086 02 11 W |
| Prince Creek | Stream | | Bartholomew | 39 19 05 N | 086 02 10 W |
| Prince of Peace Lutheran Church | Church | 315 | LaGrange | 41 33 48 N | 085 13 38 W |
| Prince of Peace Lutheran Church | Church | 227 | Marion | 39 49 09 N | 086 13 54 W |
| Prince William | Populated Place | 220 | Carroll | 40 26 32 N | 086 34 23 W |
| Princes East Lake | Reservoir | 236 | Johnson | 39 20 51 N | 086 06 03 W |
| Princes Hants Lake Dam | Dam | 240 | Johnson | 39 21 00 N | 086 05 42 W |
| Princes Lakes | Populated Place | 250 | Johnson | 39 21 13 N | 086 05 53 W |
| Princes North Lake | Reservoir | 246 | Johnson | 39 21 08 N | 086 06 41 W |
| Princes Northeast Lake | Reservoir | 253 | Johnson | 39 21 19 N | 086 06 34 W |
| Princes White Lake | Reservoir | 265 | Johnson | 39 21 13 N | 086 07 06 W |
| Princes White Lake Dam | Dam | 265 | Johnson | 39 21 12 N | 086 07 06 W |
| Princeton | Populated Place | 152 | Gibson | 38 21 19 N | 087 34 03 W |
| Princeton Community High School | School | 161 | Gibson | 38 21 24 N | 087 33 46 W |
| Princeton Country Club | Locale | 137 | Gibson | 38 23 31 N | 087 35 13 W |
| Princeton Waterworks | Locale | 131 | Gibson | 38 23 25 N | 087 33 02 W |
| Prine Ditch | Canal | 302 | Rush | 39 43 27 N | 085 22 13 W |
| Prisoner of War Camp | Cemetery | 223 | Johnson | 39 22 02 N | 086 03 58 W |