Hammett
Hammett may refer to:
;Surname
- Benjamin Hammett, Sheriff of the City of London, 1788
- Bryant Hammett, Louisiana politician
- Charles Hammett, American college football coach
- Dashiell Hammett, author of novels The Maltese Falcon and The Thin Man
- John Yurmet, Puerto Rican wrestler, aka "Mr. 450" Hammett
- Kirk Hammett, guitarist for the heavy metal band Metallica
- Louis Plack Hammett, physical chemist who developed the Hammett equation
- Mark Hammett, New Zealand rugby player
- Seth Hammett, U.S. politician in Alabama
- William H. Hammett, U.S. Representative from Mississippi
