Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Browns Mill | Populated Place | 230 | Stephenson | 42 16 56 N | 089 31 15 W |
| Browns Mound | Summit | 174 | Madison | 38 42 14 N | 089 54 18 W |
| Browns Mound | Summit | 158 | Scott | 39 37 54 N | 090 31 28 W |
| Browns Pond | Lake | 110 | White | 38 02 50 N | 088 11 11 W |
| Browns Pond | Lake | 109 | White | 38 03 24 N | 088 01 40 W |
| Browns Pond Ditch | Canal | 111 | White | 38 03 49 N | 088 03 01 W |
| Browns School (historical) | School | 137 | Clinton | 38 41 01 N | 089 18 32 W |
| Browns School (historical) | School | 125 | Edwards | 38 22 41 N | 087 58 48 W |
| Browns School (historical) | School | 189 | La Salle | 41 17 40 N | 088 53 40 W |
| Browns School (historical) | School | 226 | McDonough | 40 35 15 N | 090 39 25 W |
| Browns School (historical) | School | 194 | McDonough | 40 21 06 N | 090 34 53 W |
| Brownsmill Quarry | Mine | 251 | Stephenson | 42 15 56 N | 089 31 35 W |
| Brownsport (historical) | Populated Place | 114 | White | 38 03 22 N | 088 02 33 W |
| Brownstown | Populated Place | 181 | Fayette | 38 59 45 N | 088 57 10 W |
| Brownstown Elementary School | School | 179 | Fayette | 38 59 31 N | 088 57 35 W |
| Brownstown High School | School | 180 | Fayette | 38 59 31 N | 088 57 26 W |
| Brownstown Post Office | Post Office | 180 | Fayette | 38 59 47 N | 088 57 15 W |
| Brownstown United Methodist Church | Church | 181 | Fayette | 38 59 40 N | 088 57 11 W |
| Brownsville | Populated Place | 126 | White | 38 02 29 N | 088 14 41 W |
| Brownsville Creek | Stream | | Alexander | 37 13 04 N | 089 25 29 W |
| Brownsville Island | Island | 147 | Adams | 40 10 32 N | 091 30 06 W |
| Brownsville School | School | 144 | White | 38 03 10 N | 088 14 43 W |
| Brownsville School (historical) | School | 110 | Alexander | 37 13 06 N | 089 25 28 W |
| Brownsville School (historical) | School | 214 | Mercer | 41 08 53 N | 090 39 01 W |
| Brownswood Cemetery | Cemetery | 207 | DuPage | 41 49 12 N | 087 56 26 W |
| Brownton (historical) | Populated Place | 189 | Morgan | 39 45 49 N | 090 11 28 W |
| Browntown | School | 270 | McHenry | 42 11 50 N | 088 31 16 W |
| Brownwood | Populated Place | 203 | Tazewell | 40 23 46 N | 089 28 29 W |
| Brubaker | Populated Place | 177 | Marion | 38 41 35 N | 088 52 35 W |
| Brubaker Creek | Stream | | Marion | 38 36 30 N | 088 54 31 W |
| Brubaker School (historical) | School | 155 | Marion | 38 37 41 N | 088 50 59 W |
| Bruce | Populated Place | 195 | Moultrie | 39 31 08 N | 088 35 40 W |
| Bruce Cemetery | Cemetery | 192 | Edgar | 39 39 55 N | 087 32 06 W |
| Bruce Cemetery | Cemetery | 201 | Shelby | 39 28 27 N | 088 38 17 W |
| Bruce Cemetery | Cemetery | 129 | Wayne | 38 21 06 N | 088 38 18 W |
| Bruce Chapel | Church | 134 | White | 38 04 57 N | 088 14 52 W |
| Bruce Creek | Stream | | Cumberland | 39 11 22 N | 088 13 11 W |
| Bruce Gordon Memorial Library | Building | 187 | Cook | 42 02 28 N | 087 41 21 W |
| Bruce Lake | Lake | 230 | DuPage | 41 44 22 N | 088 00 16 W |
| Bruggman School (historical) | School | 161 | Macoupin | 39 00 47 N | 090 03 16 W |
| Bruington Lake | Reservoir | 231 | Knox | 40 59 00 N | 090 09 36 W |
| Bruington Lake Dam | Dam | 231 | Knox | 40 59 00 N | 090 09 36 W |
| Brumbach Cemetery | Cemetery | 195 | La Salle | 41 25 30 N | 088 42 50 W |
| Brumbach Creek | Stream | | La Salle | 41 27 27 N | 088 42 43 W |
| Brumback School (historical) | School | 198 | Iroquois | 40 47 50 N | 087 58 39 W |
| Brummitt School (historical) | School | 106 | Union | 37 24 33 N | 089 21 59 W |
| Brundage Building | Building | 182 | Cook | 41 56 31 N | 087 40 13 W |
| Bruner Cemetery | Cemetery | 241 | Knox | 41 05 23 N | 090 20 17 W |
| Bruning Elementary School | School | 172 | Will | 41 16 56 N | 088 08 35 W |
| Brunk Cemetery | Cemetery | 172 | Sangamon | 39 41 37 N | 089 36 49 W |
| Brunk Cemetery | Cemetery | 176 | Sangamon | 39 41 55 N | 089 34 52 W |
| Brunk Creek | Stream | | Knox | 40 49 41 N | 090 19 47 W |
| Brunkhorst Landing | Locale | 98 | Jackson | 37 41 54 N | 089 31 05 W |
| Brunner Airport | Airport | 241 | Kane | 42 08 10 N | 088 17 15 W |
| Brunswick Building | Building | 182 | Cook | 41 52 58 N | 087 37 47 W |
| Brunswick Cemetery | Cemetery | 218 | Peoria | 40 38 33 N | 089 55 50 W |
| Brunswick Cemetery | Cemetery | 197 | Shelby | 39 30 10 N | 088 50 32 W |
| Brunswick School (historical) | School | 223 | Peoria | 40 38 35 N | 089 55 54 W |
| Brunswick School (historical) | School | 198 | Shelby | 39 30 02 N | 088 50 27 W |
| Brush Branch | Stream | | Perry | 38 09 30 N | 089 23 22 W |
| Brush Branch School (historical) | School | 195 | Montgomery | 39 09 30 N | 089 33 26 W |
| Brush College (historical) | School | 184 | Christian | 39 34 04 N | 089 22 04 W |
| Brush College (historical) | School | 207 | Morgan | 39 36 26 N | 090 14 35 W |
| Brush College Elementary School | School | 203 | Macon | 39 51 08 N | 088 53 57 W |
| Brush College Industrial Park | Locale | 207 | Macon | 39 53 00 N | 088 53 59 W |
| Brush College School (historical) | School | 179 | Fayette | 39 02 34 N | 089 13 54 W |
| Brush College School (historical) | School | 170 | Fayette | 38 54 37 N | 088 58 34 W |
| Brush College School (historical) | School | 152 | Jefferson | 38 18 15 N | 089 07 22 W |
| Brush College School (historical) | School | 169 | Jersey | 39 08 18 N | 090 13 38 W |
| Brush College School (historical) | School | 160 | Morgan | 39 52 00 N | 090 14 08 W |
| Brush College School (historical) | School | 195 | Pike | 39 40 59 N | 090 42 13 W |
| Brush College School (historical) | School | 147 | Richland | 38 49 55 N | 088 12 23 W |
| Brush Creek | Stream | | Bureau | 41 20 15 N | 089 22 36 W |
| Brush Creek | Stream | | Christian | 39 30 29 N | 089 20 15 W |
| Brush Creek | Stream | | Coles | 39 35 09 N | 088 03 03 W |
| Brush Creek | Stream | | Crawford | 38 58 28 N | 087 52 44 W |
| Brush Creek | Stream | | Cumberland | 39 15 24 N | 088 21 34 W |
| Brush Creek | Stream | | Cumberland | 39 22 05 N | 088 26 50 W |
| Brush Creek | Stream | | Effingham | 39 04 08 N | 088 30 33 W |
| Brush Creek | Stream | | Knox | 40 46 58 N | 090 16 22 W |
| Brush Creek | Stream | | Montgomery | 39 08 19 N | 089 34 49 W |
| Brush Creek | Stream | | Moultrie | 39 38 26 N | 088 44 57 W |
| Brush Creek | Stream | | Saline | 37 53 11 N | 088 22 40 W |
| Brush Creek | Stream | | Sangamon | 39 41 31 N | 089 34 26 W |
| Brush Creek | Stream | | Shelby | 39 19 57 N | 088 33 30 W |
| Brush Creek | Stream | | Shelby | 39 14 10 N | 088 47 02 W |
| Brush Creek | Stream | | Stephenson | 42 26 50 N | 089 39 16 W |
| Brush Creek | Stream | | Wayne | 38 27 44 N | 088 38 00 W |
| Brush Creek Cemetery | Cemetery | 182 | Christian | 39 29 07 N | 089 20 41 W |
| Brush Creek Cemetery | Cemetery | 187 | Cumberland | 39 15 02 N | 088 23 16 W |
| Brush Creek Cemetery | Cemetery | 232 | Knox | 40 52 21 N | 090 20 10 W |
| Brush Creek Cemetery | Cemetery | 187 | Sangamon | 39 33 12 N | 089 39 42 W |
| Brush Creek Church | Church | 189 | Cumberland | 39 15 04 N | 088 23 20 W |
| Brush Creek Church | Church | 144 | Wayne | 38 32 54 N | 088 36 49 W |
| Brush Creek Post Office (historical) | Post Office | 190 | Shelby | 39 13 50 N | 088 42 44 W |
| Brush Creek Quarry | Mine | 172 | Shelby | 39 16 40 N | 088 42 14 W |
| Brush Creek School (historical) | School | 233 | Knox | 40 52 31 N | 090 20 36 W |
| Brush Creek School (historical) | School | 271 | Stephenson | 42 26 48 N | 089 36 51 W |
| Brush Harbor Church | Church | 162 | Hamilton | 38 05 31 N | 088 25 41 W |
| Brush Hill Park | Park | 213 | DuPage | 41 46 40 N | 088 10 59 W |
| Brush Hill School | School | 188 | Tazewell | 40 34 44 N | 089 34 42 W |
| Brush Hill School (historical) | School | 240 | Mercer | 41 18 45 N | 090 27 13 W |
| Brush Junction (historical) | Locale | 125 | Williamson | 37 47 38 N | 089 05 03 W |
| Brush Lake | Lake | 139 | Fayette | 38 53 16 N | 089 07 43 W |
| Brush Lake | Lake | 155 | Henderson | 40 44 28 N | 091 04 15 W |
| Brush Lake | Lake | 115 | St. Clair | 38 19 10 N | 089 54 36 W |
| Brush Point School (historical) | School | 262 | DeKalb | 42 01 41 N | 088 45 13 W |
| Brush Prairie School (historical) | School | 157 | Perry | 38 06 24 N | 089 26 38 W |
| Brush School (historical) | School | 202 | Hancock | 40 18 01 N | 091 09 47 W |
| Brush School (historical) | School | 277 | Kane | 42 00 11 N | 088 34 55 W |