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