Benett is a variant form of the surname Bennett, a medieval form of Benedict.
People with the name Notable people with the surname include:
Etheldred Benett (1776–1835), English geologist Léon Benett (1839–1917), French painter Sarah Benett, (1850–1924), English suffragette Vere Fane Benett-Stanford (1840–1894), English politician
See also