Luciano Caldas Bivar (born 29 November 1944) is a Brazilian politician and businessman. He is current a Deputy for Pernambuco as well as leader of the Brazil Union. Previously he was Social Liberal Party presidential candidate for the 2006 Brazilian general election. He received 0.06% of the total vote and did not progress to the second round.^[1] He was President of the Social Liberal Party from 2018 until it merged with the Democrats to become the Brazil Union.

Born in Recife, Bivar was the president of Sport Club do Recife from 1989 to 1990, from 1997 to 2001, from 2005 to 2006, and in 2013.