Maxwell Caulfield (né Newby; born 23 November 1959) is a British-American film, stage, and television actor and singer. He has appeared in films such as Grease 2 (1982), Electric Dreams (1984), The Boys Next Door (1985), The Supernaturals (1986), Sundown: The Vampire in Retreat (1989), Waxwork 2 (1992), Gettysburg (1993), Empire Records (1995), The Real Blonde (1997), and The Man Who Knew Too Little (1997). A recent appearance is as the king in A Prince for Christmas (2015).

Beginning 28 May 2015, he toured Australia with his wife, Juliet Mills, and sister-in-law, Hayley Mills, in the comedy Legends! by Pulitzer Prize winner James Kirkwood. He voiced James Bond in the video game James Bond 007: Nightfire (2002).