Eastaugh is a surname. Notable people with the surname include:
Frederick Orlebar Eastaugh (1913–1992), son-in-law of R. E. Robertson, and partner in Robertson's law firm John Eastaugh (1920–1990), Anglican bishop Robert L. Eastaugh (born 1943), justice of the Alaska Supreme Court Simon Eastaugh (born 1973), Australian rules footballer Stephen Eastaugh (born 1960), Australian contemporary artist
See also Eastaugh, or Lyng Eastaugh, a hamlet in Lyng, Norfolk Cyril Easthaugh (1897–1988), British Anglican bishop whose family had previously been named Eastaugh