Beaglehole or Beauglehole is a Cornish surname. Notable people with this surname include the following:
Alexander Clifford Beauglehole (1920–2002), Australian farmer, plant collector and naturalist
Ernest Beaglehole (1906–1965), New Zealand academic, psychologist and ethnographer; brother of John Beaglehole
John Beaglehole (1901–1971), New Zealand academic and historian; brother of Ernest Beaglehole
Steve Beaglehole, English football coach
Tim Beaglehole (born 1933), New Zealand academic; son of John Beaglehole