Places beginning with BL in Pennsylvania, United States
- Black
- Black Ash
- Black Baron
- Blackburn
- Blackburn (historical)
- Black Creek Junction
- Black Creek, Township of
- Black Diamond
- Blackfield
- Blackhawk
- Black Horse
- Black Horse
- Black Horse
- Black Horse Tavern
- Black Lick
- Blacklick, Township of
- Black Lick, Township of
- Blacklog
- Black Ridge
- Blackrock
- Blacks
- Blacks Corner
- Blackstone
- Blacktown
- Black, Township of
- Blackwell
- Blackwood
- Blain
- Blain, Borough of
- Blain City
- Blaine Hill
- Blaine, Township of
- Blainsburg
- Blainsport
- Blair County
- Blairfour
- Blair Mill Village East
- Blair Mill Village West
- Blairs Corners
- Blairs Mills
- Blairsville
- Blairsville, Borough of
- Blairtown
- Blair, Township of
- Blakely
- Blakely, Borough of
- Blakes
- Blakeslee
- Blakeslee Estates
- Blanchard
- Blanchard
- Blanco
- Blandburg
- Blandon
- Blanket Hill
- Blawnox
- Blawnox, Borough of
- Bleakley Hill
- Bliem Corners
- Bloomburg Village
- Bloomfield
- Bloomfield, Borough of
- Bloomfield, Township of
- Bloomfield, Township of
- Bloomingdale
- Bloomingdale
- Bloomingdale
- Blooming Glen
- Blooming Grove
- Blooming Grove
- Blooming Grove, Township of
- Bloomington
- Bloomington
- Blooming Valley
- Blooming Valley, Borough of
- Bloomsburg
- Bloomsburg
- Bloomsburg, Town of
- Bloomsdorf
- Bloom, Township of
- Blossburg
- Blossburg, Borough of
- Blosser Hill
- Blosserville
- Blossom Hill
- Bloss, Township of
- Blough
- Blowtown
- Blue Ball
- Blue Ball
- Blue Bell
- Blue Goose
- Blue Grass
- Blue Hill
- Blue Jay
- Blue Knob
- Blue Marsh (historical)
- Blue Mountain Pines
- Blue Ridge
- Blue Ridge Manor
- Blue Ridge Summit
- Bluestone
- Bluff
- Blytheburn
- Blythedale
- Blythe, Township of