Leslie "Les" Lazarowitz (October 2, 1941 – January 6, 2017) was an American sound engineer. He was active between 1971 and 1999. He was nominated for two Academy Awards in the Best Sound category. He was best known for movies including "Taxi Driver" (1976), "Raging Bull" (1980), "Tootsie" (1982), "Carlito's Way" (1993) and "Groundhog Day" (1993).