Dennis Stuart Murphy was an American producer and unit production manager.

In a career that spanned 50 years and more than 100 projects, Murphy received an Emmy nomination for outstanding drama series in 1995 for co-producing the pilot for NBC's ER and earned a Humanitas prize for co-producing the 1991 Lifetime telefilm Wildflower, directed by Diane Keaton and featuring Reese Witherspoon in one of her first onscreen roles.

Murphy also was a co-producer on the two seasons of FX's The Bridge, was unit production manager on the pilot for TNT's adaptation of Animal Kingdom, and served as an associate producer on HBO's Tales From the Crypt.

In addition to co-producing Buffy the Vampire Slayer (1992) and Powder (1995), Murphy also worked on such movies as Alan Parker’s Fame (1980), Friday the 13th Part 2 (1981), Re-Animator (1985) and Phantom (2013).

Murphy died January 24, 2018, in Los Angeles, California. He was 72.