Eusébio de Queirós Coutinho Matoso da Câmara (Luanda, 1812 – Rio de Janeiro, May 7, 1868) was a Brazilian magistrate and politician, Minister of Justice (1848–1852) and author of one of the most important laws of the Empire of Brazil, the Eusébio de Queirós Law, which suppressed the slave trade and paved the way for its eventual eradication.