Rui Falcão (Brazilian Portuguese: ['?uj faw'k?~w~]; born in Pitangui, on 26 November 1943) is a Brazilian politician and the former president of the Workers' Party (Partido dos Trabalhadores).
He also served as the President of the Workers' Party in 1994 and was elected again president of the party to the terms 2011-2013, 2013-2015 and 2015-2017.
Preceded senator Gleisi Hoffmann, who took office in 3 June 2017.
He was the Secretary of Government of São Paulo during Marta Suplicy's administration.