Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Brewster-Ross Cemetery | Cemetery | 172 | Pike | 39 36 45 N | 091 04 20 W |
| Brewton Cemetery | Cemetery | 211 | Ford | 40 44 54 N | 088 12 16 W |
| Breyer Laboratory | Building | 235 | DuPage | 41 52 14 N | 088 05 56 W |
| Brezina Woods | Woods | 190 | Cook | 41 50 42 N | 087 52 22 W |
| Brian Cemetery | Cemetery | 159 | Lawrence | 38 39 31 N | 087 53 48 W |
| Brian Lake | Reservoir | 253 | McLean | 40 24 54 N | 088 51 36 W |
| Brian Lake Dam | Dam | 253 | McLean | 40 24 54 N | 088 51 36 W |
| Briar Bluff | Populated Place | 182 | Henry | 41 27 35 N | 090 21 48 W |
| Briar Branch | Stream | | Wayne | 38 20 04 N | 088 12 25 W |
| Briar Creek | Stream | | Macoupin | 39 15 32 N | 089 52 36 W |
| Briar Creek | Stream | | Pulaski | 37 13 28 N | 089 12 14 W |
| Briar Gate | Populated Place | 269 | Kane | 41 57 59 N | 088 25 19 W |
| Briar Glen Elementary School | School | 230 | DuPage | 41 50 16 N | 088 05 09 W |
| Briar Hill | Populated Place | 175 | St. Clair | 38 34 23 N | 090 03 47 W |
| Briar Island | Island | 136 | Cass | 40 03 19 N | 090 12 59 W |
| Briar Knoll Park | Park | 226 | DuPage | 41 50 46 N | 088 05 59 W |
| Briar Patch Club Lake | Reservoir | 131 | Wayne | 38 17 48 N | 088 17 24 W |
| Briar Patch Club Lake Dam | Dam | 131 | Wayne | 38 17 48 N | 088 17 24 W |
| Briar Patch Lake | Lake | 130 | Wayne | 38 17 40 N | 088 17 28 W |
| Briar Patch Park | Park | 232 | DuPage | 41 50 33 N | 088 05 11 W |
| Briarbrook Commons Shopping Center | Locale | 229 | DuPage | 41 49 50 N | 088 05 23 W |
| Briargate Elementary School | School | 266 | McHenry | 42 12 22 N | 088 15 08 W |
| Briarwood | Populated Place | 249 | Ogle | 41 56 34 N | 089 06 52 W |
| Briarwood Country Club | Locale | 208 | Lake | 42 09 58 N | 087 50 14 W |
| Briarwood Lake | Reservoir | 192 | Macoupin | 39 01 56 N | 090 07 53 W |
| Briarwood Park | Park | 200 | Lake | 42 09 26 N | 087 49 27 W |
| Briarwood Plaza Shopping Center | Locale | 210 | Cook | 42 02 13 N | 087 57 58 W |
| Brick Cemetery | Cemetery | 167 | Jasper | 39 00 48 N | 088 12 17 W |
| Brick Cemetery | Cemetery | 205 | Mercer | 41 10 57 N | 090 50 59 W |
| Brick Cemetery | Cemetery | 162 | Washington | 38 20 14 N | 089 09 32 W |
| Brick Church | Church | 236 | Whiteside | 41 51 55 N | 089 59 16 W |
| Brick Church Cemetery | Cemetery | 238 | Stephenson | 42 26 08 N | 089 43 43 W |
| Brick Elementary School | School | 146 | Cass | 40 01 09 N | 090 20 05 W |
| Brick Fiatt School (historical) | School | 197 | Fulton | 40 32 33 N | 090 12 09 W |
| Brick School (historical) | School | 234 | Adams | 39 52 01 N | 091 03 37 W |
| Brick School (historical) | School | 198 | Adams | 40 07 02 N | 091 16 46 W |
| Brick School (historical) | School | 168 | Bond | 38 54 42 N | 089 35 40 W |
| Brick School (historical) | School | 235 | Boone | 42 16 36 N | 088 52 14 W |
| Brick School (historical) | School | 258 | Cook | 42 07 04 N | 088 05 44 W |
| Brick School (historical) | School | 165 | Fayette | 39 03 20 N | 089 00 06 W |
| Brick School (historical) | School | 204 | La Salle | 41 16 18 N | 088 37 02 W |
| Brick School (historical) | School | 242 | Lake | 42 20 57 N | 088 08 42 W |
| Brick School (historical) | School | 203 | Livingston | 40 48 09 N | 088 36 10 W |
| Brick School (historical) | School | 200 | Livingston | 40 53 17 N | 088 35 42 W |
| Brick School (historical) | School | 194 | Macon | 39 55 54 N | 089 06 18 W |
| Brick School (historical) | School | 189 | Macoupin | 39 18 20 N | 089 50 28 W |
| Brick School (historical) | School | 163 | Marion | 38 39 07 N | 089 02 59 W |
| Brick School (historical) | School | 279 | Ogle | 42 00 03 N | 089 36 46 W |
| Brick School (historical) | School | 137 | Perry | 38 03 17 N | 089 23 58 W |
| Brick School (historical) | School | 138 | Perry | 38 00 56 N | 089 31 11 W |
| Brick School (historical) | School | 144 | Randolph | 38 06 36 N | 089 40 00 W |
| Brick School (historical) | School | 137 | St. Clair | 38 20 40 N | 089 59 53 W |
| Brick School (historical) | School | 162 | Washington | 38 20 13 N | 089 09 30 W |
| Brick School (historical) | School | 262 | Winnebago | 42 21 16 N | 089 21 33 W |
| Brick School Number 3 (historical) | School | 129 | Lawrence | 38 46 12 N | 087 33 45 W |
| Brick United Methodist Church | Church | 139 | Clark | 39 13 49 N | 087 35 59 W |
| Brickey Cemetery | Cemetery | 143 | Monroe | 38 14 09 N | 089 56 03 W |
| Brickey School (historical) | School | 129 | Monroe | 38 13 16 N | 089 56 36 W |
| Brickey School (historical) | School | 116 | Randolph | 38 04 37 N | 090 08 36 W |
| Bricklayers Apprentice School | School | 182 | Cook | 41 53 07 N | 087 40 55 W |
| Brickton Park | Park | 194 | Cook | 41 59 22 N | 087 50 07 W |
| Bricktown (subdivision) | Populated Place | 180 | Cook | 41 56 21 N | 087 41 00 W |
| Bricktown School (historical) | School | 202 | Woodford | 40 53 11 N | 089 22 38 W |
| Brickyard Branch | Stream | | Fayette | 39 03 40 N | 088 52 47 W |
| Brickyard Mall Shopping Center | Locale | 204 | Cook | 41 55 43 N | 087 47 17 W |
| Brickyard School (historical) | School | 113 | Gallatin | 37 42 21 N | 088 10 06 W |
| Brickyard School (historical) | School | 192 | McDonough | 40 27 48 N | 090 42 49 W |
| Bridge Island | Island | 130 | Greene | 39 27 37 N | 090 36 46 W |
| Bridge School | School | 196 | Cook | 41 56 59 N | 087 47 57 W |
| Bridgeman School (historical) | School | 225 | Vermilion | 40 26 48 N | 087 32 57 W |
| Bridgeport | Populated Place | 136 | Lawrence | 38 42 21 N | 087 45 36 W |
| Bridgeport (historical) | Populated Place | 174 | Knox | 40 44 36 N | 090 14 13 W |
| Bridgeport (historical) | Populated Place | 133 | Scott | 39 31 30 N | 090 34 45 W |
| Bridgeport (subdivision) | Populated Place | 181 | Cook | 41 50 17 N | 087 39 04 W |
| Bridgeport Academy Center | School | 181 | Cook | 41 50 07 N | 087 38 58 W |
| Bridgeport Academy North | School | 182 | Cook | 41 50 34 N | 087 38 26 W |
| Bridgeport Academy South | School | 182 | Cook | 41 49 36 N | 087 38 34 W |
| Bridgeport Academy West | School | 180 | Cook | 41 50 07 N | 087 39 10 W |
| Bridgeport Church of God | Church | 139 | Lawrence | 38 42 34 N | 087 45 53 W |
| Bridgeport Community Center | Building | 181 | Cook | 41 50 15 N | 087 39 09 W |
| Bridgeport Ferry (historical) | Crossing | 161 | Knox | 40 44 35 N | 090 14 08 W |
| Bridgeport Grade School | School | 144 | Lawrence | 38 42 56 N | 087 45 41 W |
| Bridger Cemetery | Cemetery | 222 | Mercer | 41 09 07 N | 090 34 35 W |
| Bridges Cemetery | Cemetery | 146 | Johnson | 37 24 29 N | 088 57 14 W |
| Bridges Cemetery | Cemetery | 178 | Sangamon | 39 42 18 N | 089 42 10 W |
| Bridges Cemetery | Cemetery | 141 | St. Clair | 38 37 28 N | 089 51 20 W |
| Bridges Knob | Summit | 211 | Fayette | 39 10 52 N | 089 03 09 W |
| Bridgeview | Populated Place | 189 | Cook | 41 45 00 N | 087 48 15 W |
| Bridgeview Court Shopping Center | Locale | 189 | Cook | 41 44 49 N | 087 48 05 W |
| Bridgeview Park | Park | 172 | Sangamon | 39 41 03 N | 089 39 09 W |
| Bridgeview Public Library | Building | 191 | Cook | 41 44 53 N | 087 48 58 W |
| Bridgeview School | School | 189 | Cook | 41 44 58 N | 087 48 21 W |
| Bridgeview Shopping Center | Locale | 181 | Cook | 41 42 13 N | 087 47 48 W |
| Bridgeview Village Hall | Building | 189 | Cook | 41 45 17 N | 087 48 18 W |
| Bridgewater Cemetery | Cemetery | 190 | Greene | 39 23 41 N | 090 33 16 W |
| Bridgewater Hollow | Valley | | Greene | 39 23 28 N | 090 33 22 W |
| Bridgeway Addition | Populated Place | 175 | Rock Island | 41 28 24 N | 090 30 15 W |
| Bridlecreek Shopping Center | Locale | 233 | Knox | 40 56 37 N | 090 19 54 W |
| Bridlewoods (subdivision) | Populated Place | 262 | Lake | 42 14 18 N | 088 05 55 W |
| Bridlewoods Park | Park | 262 | Lake | 42 14 17 N | 088 06 07 W |
| Brier Creek | Stream | | Saline | 37 40 13 N | 088 42 13 W |
| Brier Creek | Stream | | Saline | 37 42 14 N | 088 29 26 W |
| Briergate | Populated Place | 194 | Lake | 42 10 34 N | 087 48 53 W |
| Briergate Golf Club (historical) | Locale | 202 | Lake | 42 09 59 N | 087 49 55 W |
| Briergate Station (subdivision) | Populated Place | 195 | Lake | 42 10 39 N | 087 49 09 W |
| Brierpath School (historical) | School | 137 | Jackson | 37 41 36 N | 089 10 15 W |
| Brierwood Park | Park | 259 | Lake | 42 13 06 N | 088 05 56 W |
| Brierwoods (subdivision) | Populated Place | 259 | Lake | 42 13 00 N | 088 06 07 W |
| Briggs Branch | Stream | | Jersey | 38 57 49 N | 090 19 43 W |
| Briggs Cemetery | Cemetery | 193 | Tazewell | 40 26 24 N | 089 22 41 W |