Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Apollo Park | Park | 192 | Cook | 41 32 42 N | 087 38 30 W |
| Apollo Park | Park | 233 | Cook | 42 01 12 N | 088 04 02 W |
| Apollo Park | Park | 190 | Cook | 41 39 55 N | 087 43 40 W |
| Apollonia School (historical) | School | 201 | Morgan | 39 35 23 N | 089 59 14 W |
| Apostles Lutheran Church | Church | 197 | Cook | 41 55 17 N | 087 53 12 W |
| Apostles Lutheran School | School | 197 | Cook | 41 55 15 N | 087 53 13 W |
| Apostolic Assembly of the Lord Jesus Christ | Church | 181 | Cook | 41 42 17 N | 087 37 11 W |
| Apostolic Assemby of the Faith in Christ Jesus | Church | 181 | Cook | 41 53 41 N | 087 39 46 W |
| Apostolic Christian Cemetery | Cemetery | 221 | Peoria | 40 55 54 N | 089 44 57 W |
| Apostolic Christian Cemetery | Cemetery | 216 | Tazewell | 40 36 18 N | 089 27 36 W |
| Apostolic Christian Cemetery | Cemetery | 235 | Woodford | 40 46 45 N | 089 14 26 W |
| Apostolic Christian Church | Church | 203 | Iroquois | 40 32 38 N | 087 51 20 W |
| Apostolic Christian Church | Church | 207 | Livingston | 40 45 17 N | 088 30 40 W |
| Apostolic Christian Church | Church | 126 | Madison | 38 41 28 N | 090 09 12 W |
| Apostolic Christian Church | Church | 221 | Peoria | 40 55 52 N | 089 44 57 W |
| Apostolic Christian Church | Church | 189 | Peoria | 40 43 24 N | 089 36 33 W |
| Apostolic Christian Church | Church | 201 | Peoria | 40 43 46 N | 089 36 10 W |
| Apostolic Christian Church | Church | 248 | Stark | 41 10 41 N | 089 38 50 W |
| Apostolic Christian Church | Church | 218 | Tazewell | 40 36 33 N | 089 27 31 W |
| Apostolic Christian Church | Church | 203 | Tazewell | 40 31 14 N | 089 29 14 W |
| Apostolic Church | Church | 144 | Franklin | 38 05 31 N | 089 03 19 W |
| Apostolic Church | Church | 236 | Woodford | 40 46 43 N | 089 14 28 W |
| Apostolic Church of God | Church | 181 | Cook | 41 46 48 N | 087 35 34 W |
| Apostolic Church of Jesus Christ | Church | 181 | Cook | 41 50 11 N | 087 43 34 W |
| Apostolic Church of Royalton | Church | 120 | Franklin | 37 52 36 N | 089 06 50 W |
| Apostolic Faith Assembly Church | Church | 137 | Franklin | 37 53 52 N | 088 54 11 W |
| Apostolic Faith Church | Church | 182 | Cook | 41 49 30 N | 087 37 16 W |
| Apostolic Faith Church | Church | 182 | Cook | 42 03 04 N | 087 41 57 W |
| Apostolic Faith Church on the Hill | Church | 131 | Wayne | 38 23 04 N | 088 21 24 W |
| Apostolic Faith Temple | Church | 182 | Cook | 41 46 49 N | 087 39 49 W |