Theroux ( ) is a French surname. Notable people with the surname include:
Alexander Theroux (born 1939), American novelist, poet and essayist Gary Theroux, American radio personality, author and musicologist Justin Theroux (born 1971), American actor and screenwriter Louis Theroux (born 1970), British-American broadcaster Marcel Theroux (born 1968), British novelist and broadcaster Paul Theroux (born 1941), American travel writer and novelist Peter Theroux (born 1956), American translator and writer
See also Terroux (disambiguation) Thoreau (disambiguation)