Thomas Anthony DeSimone (May 24, 1950 – disappeared January 14, 1979), also known as Two-Gun Tommy or Tommy D, was a Sicilian-American gangster and associate of the Lucchese crime family in New York. DeSimone was a grandson and nephew of Los Angeles mob bosses, Rosario DeSimone and Frank DeSimone, respectively. He was married to Angelica "Cookie" Spione, but had many mistresses, including Theresa Ferrara.