Black Ball Line or Blackball Line may refer to:
- Black Ball Line (trans-Atlantic packet), a fleet of packet ships running between Liverpool and New York, the first scheduled trans-Atlantic service, founded in 1817
- Black Ball Line (Liverpool), a fleet of packet ships running between Liverpool and Australia owned by James Baines & Co, founded in 1852
- Puget Sound Navigation Company, a fleet of ferries on Puget Sound and the Strait of Georgia in British Columbia and Washington known as the Black Ball Line, founded in 1898
This disambiguation page lists articles associated with the title Black Ball Line.
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