List of Brazilian diplomats From Wikipedia, the free encyclopedia This is a list of Brazilian diplomats. Baron of Rio Branco Viscount of Rio Branco Joaquim Nabuco José Maurício Bustani Luiz Martins de Souza Dantas Oswaldo Aranha Rubens Ricupero Rui Barbosa Walter Moreira Salles Antonio Patriota Roberto Azevedo, Director-General of WTO Maria Luiza Ribeiro Viotti Sérgio Vieira de Mello Related Articles~TimelinesTop QsFact Checks