Howett may refer to:
;People
*
John Howett (b. ? ), British automobile sales, manufacturing, and racing executive
*
Mark Howett (b. 1963), Australian theatre, film, and opera director, designer, and lighting designer
*
Roberta Howett (b. 1981), Irish singer
;Ships
*USS ''Howett'' (PF-84), a United States Navy patrol frigate transferred to the United Kingdom while under construction which served in the Royal Navy as the frigate from 1944 to 1945
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