Daniel O'Carroll (or O'Caroll) (died 4 November 1750) was a British Army officer who used the style of a baronet. He was the son of John O'Carroll (died 12 August 1733) of Beaugh, County Galway, by his second wife Margaret Crean. Margaret Crean was the daughter of Andrew O'Crean (or Crean) of Coursfield, County Mayo, and of County Sligo, and his wife Margaret, daughter of Baron Athenry.