Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Passavant Hospital | Hospital | 180 | Cook | 41 53 43 N | 087 37 11 W |
| Passavant Memorial Area Hospital Association Heliport | Airport | 174 | Morgan | 39 44 55 N | 090 15 02 W |
| Passionist Roman Catholic Monastary | Church | 200 | Cook | 41 59 05 N | 087 48 28 W |
| Passport | Populated Place | 141 | Richland | 38 47 21 N | 088 14 37 W |
| Passwater Cemetery | Cemetery | 226 | McLean | 40 20 30 N | 088 59 05 W |
| Pasteur Elementary School | School | 184 | Cook | 41 47 20 N | 087 43 53 W |
| Pasteur Monument | Locale | 186 | Cook | 41 51 57 N | 087 37 08 W |
| Pasteur Park | Park | 184 | Cook | 41 47 20 N | 087 43 54 W |
| Pate Cemetery | Cemetery | 197 | Vermilion | 40 05 36 N | 087 43 49 W |
| Pate Chapel Baptist Church | Church | 119 | Jackson | 37 49 10 N | 089 20 36 W |
| Pathway School | School | 180 | Morgan | 39 43 30 N | 090 13 55 W |
| Pathways Pond Park | Park | 218 | Will | 41 42 13 N | 088 05 12 W |
| Patoka | Populated Place | 154 | Marion | 38 45 19 N | 089 05 43 W |
| Patoka Access Area | Locale | 140 | Fayette | 38 45 59 N | 089 12 53 W |
| Patoka Cemetery | Cemetery | 153 | Marion | 38 45 26 N | 089 06 00 W |
| Patoka Christian Church | Church | 153 | Marion | 38 45 12 N | 089 05 57 W |
| Patoka Club Lake | Reservoir | 165 | Marion | 38 47 00 N | 088 59 36 W |
| Patoka Club Lake Dam | Dam | 165 | Marion | 38 47 00 N | 088 59 36 W |
| Patoka East Oil Field | Oilfield | 159 | Marion | 38 44 46 N | 089 04 09 W |
| Patoka Oil Field | Oilfield | 151 | Marion | 38 45 37 N | 089 06 30 W |
| Patoka School | School | 154 | Marion | 38 45 51 N | 089 05 07 W |
| Patoka South Oil Field | Oilfield | 154 | Marion | 38 43 28 N | 089 06 06 W |
| Patomic Park | Park | 224 | Cook | 42 00 35 N | 088 03 01 W |
| Paton School (historical) | School | 216 | Will | 41 27 15 N | 087 56 04 W |
| Patrick Lake | Reservoir | 198 | McDonough | 40 25 06 N | 090 38 06 W |
| Patrick Lake Dam | Dam | 198 | McDonough | 40 25 06 N | 090 38 06 W |
| Patrick School (historical) | School | 209 | Edgar | 39 41 24 N | 087 48 55 W |
| Patridge Park | Park | 231 | Cook | 42 05 33 N | 088 04 15 W |
| Patriot Park | Park | 205 | Cook | 42 06 31 N | 087 57 03 W |
| Patriots Park | Park | 219 | DuPage | 41 47 10 N | 088 00 01 W |
| Patsy Mitchell Cemetery | Cemetery | 210 | Coles | 39 33 29 N | 088 02 54 W |
| Patten Branch | Stream | | Randolph | 37 53 05 N | 089 47 05 W |
| Patten Industries Heliport | Airport | 215 | DuPage | 41 55 27 N | 087 57 48 W |
| Patterson | Populated Place | 207 | Greene | 39 28 50 N | 090 28 58 W |
| Patterson Bay | Bay | 132 | Mason | 40 09 36 N | 090 11 01 W |
| Patterson Branch | Stream | | Massac | 37 18 04 N | 088 52 30 W |
| Patterson Cemetery | Cemetery | 210 | Champaign | 40 05 26 N | 088 01 37 W |
| Patterson Cemetery | Cemetery | 190 | Sangamon | 39 42 59 N | 089 46 50 W |
| Patterson Cemetery | Cemetery | 186 | Tazewell | 40 20 10 N | 089 29 55 W |
| Patterson Cemetery | Cemetery | 230 | Warren | 40 53 56 N | 090 33 11 W |
| Patterson Church | Church | 137 | Wayne | 38 36 04 N | 088 19 54 W |
| Patterson Lake | Reservoir | 165 | Clay | 38 52 28 N | 088 40 22 W |
| Patterson Lake Dam | Dam | 162 | Clay | 38 52 30 N | 088 40 24 W |
| Patterson Lodge | Building | 204 | Lake | 42 15 01 N | 087 49 49 W |
| Patterson Park | Park | 190 | Cook | 41 44 01 N | 087 43 17 W |
| Patterson Parklet | Park | 217 | Champaign | 40 06 46 N | 088 12 53 W |
| Patterson School (historical) | School | 188 | Brown | 39 52 45 N | 090 41 41 W |
| Patterson School (historical) | School | 196 | La Salle | 41 11 37 N | 088 55 38 W |
| Patterson School (historical) | School | 137 | Mason | 40 09 00 N | 090 10 48 W |
| Patterson Springs | Populated Place | 201 | Douglas | 39 47 32 N | 088 11 34 W |
| Patterson Springs Lake | Reservoir | 201 | Douglas | 39 47 36 N | 088 11 30 W |
| Patterson Springs Lake Dam | Dam | 201 | Douglas | 39 47 36 N | 088 11 30 W |
| Patton | Populated Place | 177 | Clark | 39 28 37 N | 087 33 31 W |
| Patton | Populated Place | 126 | Wabash | 38 28 37 N | 087 45 13 W |
| Patton Cemetery | Cemetery | 217 | Champaign | 40 22 55 N | 087 56 16 W |
| Patton Creek | Stream | | McLean | 40 36 21 N | 088 45 49 W |
| Patton Elementary School | School | 222 | Cook | 42 06 26 N | 087 59 49 W |
| Patton Park | Park | 204 | McDonough | 40 27 00 N | 090 40 57 W |
| Patton School (historical) | School | 221 | Peoria | 40 41 49 N | 089 51 03 W |
| Patton School (historical) | School | 189 | Sangamon | 39 34 28 N | 089 42 59 W |
| Patton School (historical) | School | 196 | Sangamon | 39 42 43 N | 089 52 21 W |
| Patton United Methodist Church | Church | 177 | Edgar | 39 28 38 N | 087 33 32 W |
| Pattonsburg | Populated Place | 207 | Marshall | 40 56 16 N | 089 11 04 W |
| Patty Cemetery | Cemetery | 198 | Livingston | 40 50 42 N | 088 34 06 W |
| Paul Cemetery | Cemetery | 180 | Cumberland | 39 13 11 N | 088 06 44 W |
| Paul Cemetery | Cemetery | 131 | Edwards | 38 33 49 N | 087 55 57 W |
| Paul Creek | Stream | | Lawrence | 38 46 03 N | 087 50 39 W |
| Paul Douglas Forest Preserve | Park | 245 | Cook | 42 04 45 N | 088 05 50 W |
| Paul E Kroenlein Airport | Airport | 217 | Shelby | 39 36 30 N | 088 51 30 W |
| Paul Ice Recreation Area | Park | 131 | Jackson | 37 48 20 N | 089 24 55 W |
| Paul L Dunbar School | School | 125 | St. Clair | 38 36 18 N | 090 09 08 W |
| Paul Lake | Reservoir | 180 | Warren | 40 44 30 N | 090 26 42 W |
| Paul Lake Dam | Dam | 180 | Warren | 40 44 30 N | 090 26 42 W |
| Paul Revere Elementary School | School | 194 | Cook | 41 40 09 N | 087 40 40 W |
| Paul V Gavin Memorial Chapel | Church | 182 | Cook | 42 03 22 N | 087 40 40 W |
| Pauline | Populated Place | 209 | Champaign | 40 07 39 N | 088 00 21 W |
| Pauline Lake Dam | Dam | 179 | Effingham | 39 08 48 N | 088 34 18 W |
| Pauls Chapel Missionary Baptist Church | Church | 129 | Williamson | 37 43 30 N | 088 55 47 W |
| Paulton | Populated Place | 165 | Williamson | 37 45 50 N | 088 48 14 W |
| Paulton Park | Park | 192 | Adams | 40 08 54 N | 091 13 39 W |
| Paulus Park | Park | 259 | Lake | 42 11 44 N | 088 06 29 W |
| Paurlberg Park | Park | 183 | Cook | 41 34 53 N | 087 34 11 W |
| Pautler School (historical) | School | 159 | Randolph | 38 03 42 N | 089 56 08 W |
| Pavilion Park | Park | 220 | Kane | 41 45 46 N | 088 26 44 W |
| Pavillion | Populated Place | 229 | Kendall | 41 36 38 N | 088 28 30 W |
| Pavillion Cemetery | Cemetery | 229 | Kendall | 41 36 49 N | 088 28 34 W |
| Paw Paw | Populated Place | 288 | Lee | 41 41 20 N | 088 58 52 W |
| Paw Paw Bible Church | Church | 287 | Lee | 41 41 28 N | 088 59 15 W |
| Paw Paw Elementary School | School | 287 | Lee | 41 41 24 N | 088 58 38 W |
| Paw Paw Junior-Senior High School | School | 285 | Lee | 41 41 29 N | 088 58 38 W |
| Paw Paw Run | Stream | | La Salle | 41 37 05 N | 088 53 05 W |
| Paw Paw United Methodist Church | Church | 287 | Lee | 41 41 25 N | 088 58 59 W |
| Paw Paw Woods | Woods | 181 | Cook | 41 43 19 N | 087 53 18 W |
| Paw Paw Woods Nature Preserve | Park | 187 | Cook | 41 43 14 N | 087 53 20 W |
| Pawnee | Populated Place | 184 | Sangamon | 39 35 30 N | 089 34 49 W |
| Pawnee Grade School | School | 181 | Sangamon | 39 35 41 N | 089 34 35 W |
| Pawnee High School | School | 182 | Sangamon | 39 35 38 N | 089 34 34 W |
| Pawnee Junction | Populated Place | 187 | Sangamon | 39 35 23 N | 089 38 46 W |
| Pawnee Park | Park | 190 | Cook | 42 02 03 N | 087 45 24 W |
| Pawson School (historical) | School | 187 | Tazewell | 40 21 04 N | 089 30 32 W |
| Paxton | Populated Place | 241 | Ford | 40 27 37 N | 088 05 43 W |
| Paxton Airport | Airport | 232 | Ford | 40 26 56 N | 088 07 39 W |
| Paxton Avenue Church of Christ | Church | 178 | Cook | 41 44 31 N | 087 35 09 W |
| Paxton Carnegie Library | Building | 243 | Ford | 40 27 32 N | 088 05 54 W |
| Paxton Church of Christ | Church | 238 | Ford | 40 27 18 N | 088 06 21 W |
| Paxton City Hall | Building | 243 | Ford | 40 27 35 N | 088 05 51 W |
| Paxton Community Hospital | Hospital | 242 | Ford | 40 27 37 N | 088 05 19 W |
| Paxton High School | School | 242 | Ford | 40 27 40 N | 088 06 31 W |
| Paxton Public School (historical) | School | 242 | Ford | 40 27 34 N | 088 05 42 W |
| Paxton United Methodist Church | Church | 243 | Ford | 40 27 36 N | 088 06 00 W |