Hammett may refer to:
Hammett L. Bowen, Jr. (1947–1969), Medal of Honor recipient
Hammett Pinhey Hill (1876–?), politician
Surname
Bryant Hammett (born 1956), Louisiana politician
Charles Hammett (fl. 1910–1919), American college football coach
Dashiell Hammett (1894–1961), author of novels The Maltese Falcon and The Thin Man
John Yurmet, Puerto Rican wrestler, aka "Mr. 450" Hammett
Kirk Hammett (born 1962), guitarist for the heavy metal band Metallica
Louis Plack Hammett (1894–1987), physical chemist who developed the Hammett equation
Mark Hammett (born 1972), New Zealand rugby player
Seth Hammett (born 1946), U.S. politician in Alabama
William H. Hammett (died 1861), U.S. Representative from Mississippi
