Victoria Dawn Addams (21 September 1930 – 7 May 1985) was a British actress, particularly in Hollywood motion pictures of the 1950s and on British television in the 1960s and 1970s. She became a princess in 1954 (until 1971).
She was a semi-regular on the instructional series En France (1962) and the leading lady in several episodes of The Saint (1962–69), which starred Roger Moore as Simon Templar. Among her last film credits were two British horror films, The Vampire Lovers (1970) and The Vault of Horror (1973), and she was also a regular in the British sitcom Father, Dear Father (1971–1973). One of her last television roles was in the science fiction serial Star Maidens (1977). Addams retired in the early 1980s, dividing her remaining years between Europe and the United States.