Places beginning with BL in Ohio, United States
- Blachleyville
- Black
- Blackband
- Blackberry Corner
- Blackburn (historical)
- Black Creek, Township of
- Blackfork
- Blackfork Junction
- Blackhawk
- Black Horse
- Blackjack
- Blacklick
- Blacklick Estates
- Blackloon Reserve
- Black Run
- Blacktop
- Bladen
- Bladensburg
- Blaine
- Blainesville
- Blairmont
- Blairsville
- Blake
- Blakeslee
- Blanchard
- Blanchard (historical)
- Blanchard, Township of
- Blanchard, Township of
- Blanchard, Township of
- Blanchester
- Blanco
- Blatchford
- Blendon Corner
- Blendon, Township of
- Blennerhassett View
- Blessing
- Blissfield
- Blocktown (historical)
- Bloody Corners
- Bloom Center
- Bloom Center
- Bloomdale
- Bloomer
- Bloomfield
- Bloomfield
- Bloomfield
- Bloomfield, Township of
- Bloomfield, Township of
- Bloomfield, Township of
- Bloomingburg
- Bloomingdale
- Blooming Grove
- Bloominggrove, Township of
- Bloomington
- Bloomingville
- Bloom Junction
- Bloom Rose (historical)
- Bloom, Township of
- Bloom, Township of
- Bloom, Township of
- Bloom, Township of
- Bloom, Township of
- Bloomville
- Blowville
- Blue Ash
- Blue Ash, City of
- Blue Ball
- Bluebell
- Bluebird Beach
- Blue Creek
- Blue Creek, Township of
- Blue Jay
- Blue Rock
- Blue Rock, Township of
- Blue Row
- Bluestone
- Blue Valley Acres
- Bluff (historical)
- Bluffton