Celso Luiz Nunes Amorim (born 3 June 1942) is a Brazilian diplomat who served as Minister of Foreign Relations from 1993 to 1995 under President Itamar Franco and again from 2003 to 2011 under President Luiz Inácio Lula da Silva, and as Minister of Defence from August 2011 to December 2014 under President Dilma Rousseff.Before his appointment by Lula, Amorim served as Brazil's ambassador to the United Kingdom.