Blab means to reveal secrets. It may also refer to:

  • Uwe Blab (born 1962), German former player in the National Basketball Association
  • W. Epaminondas Adrastus Blab, a pen name of Mark Twain
  • BLAB!, an anthology that was published from 1988 to 2007
  • BLAB, a recording project by singer-songwriter Frances Murray
  • Blab TV, a local television channel in Pensacola, Florida, United States

See also

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  • B Lab, an American non-profit organization
  • Vocal school or blab school, a type of outdated children's primary school in rural North America