Places beginning with BL in South Dakota, United States
- Black Dog, Township of
- Black Dog, Unorganized Territory of
- Black Eyes
- Blackhawk
- Black Hawk (historical), Township of
- Black Horse
- Blackpipe
- Blackpipe, Township of
- Blacktail
- Black, Township of
- Blaine, Township of
- Blaine, Township of
- Blaine, Township of
- Blaine, Township of
- Blendon, Township of
- Blessing, Township of
- Blinsmon, Township of
- Blom, Township of
- Bloomfield
- Bloomingdale
- Blooming Valley, Township of
- Blue Bell
- Blue Blanket, Township of
- Blue Lake (historical), Township of
- Bluff Center (historical)
- Blunt
- Blunt, City of
- Blunt, Township of