Places beginning with BL in Iowa, United States
- Black Corners
- Blackhawk
- Black Hawk
- Black Hawk County
- Black Hawk, Township of
- Black Hawk, Township of
- Black Hawk, Township of
- Black Oak, Township of
- Bladensburg
- Blaine, Township of
- Blaine, Township of
- Blairsburg
- Blairsburg, Township of
- Blairstown
- Blakesburg
- Blanchard
- Blanden
- Blencoe
- Blessing
- Bliedorn
- Blockly
- Blockton
- Bloomfield
- Bloomfield, City of
- Bloomfield, Township of
- Bloomfield, Township of
- Bloomfield, Township of
- Bloomington
- Bloomington, Township of
- Bloomington, Township of
- Blue Bird Mobile Park
- Blue Grass
- Blue Grass, Township of
- Bluff Acres Mobile Home Park
- Bluff Creek
- Bluff Creek, Township of
- Bluff Park
- Bluffton
- Bluffton, Township of