Tomás "Tommy" Joseph Harris (10 April 1908 – 27 January 1964) was a Spanish-speaking MI6 officer who worked with Juan Pujol García, an important double agent for the British during World War II, in what became known as the Garbo deception. He had five siblings: William, Morris, Violeta, Conchita, and Enriqueta Harris (1910—2006), an art historian specializing in Spanish art.