William Aislabie may refer to:
William Aislabie (governor) (died 1725), governor of Bombay, 1708–1715 William Aislabie (1700–1781), Member of Parliament for Ripon, 1721–1781 William Aislabie (1671–1725), his uncle, also Member of Parliament for Ripon, 1719–1722 William Aislabie (died 1773), cousin of William Aislabie (1700–1781), also Member of Parliament for Ripon, 1727–1734