Tomás Domínguez Arévalo, 7th Count of Rodezno, 12th Marquis of San Martin (1882–1952) was a Spanish Carlist and Francoist politician.
He is known mostly as the first Francoist Minister of Justice (1938–1939).
He is also recognised for his key role in negotiating Carlist access to the coup of July 1936 and in the attempt to amalgamate Carlism into the Francoist state party, Falange Española Tradicionalista.