Eunício Lopes de Oliveira (born 30 September 1952) is a Brazilian politician and businessman.

He represent Ceará in the Chamber of Deputies of Brazil since February 2023.

Previously, he was a federal congressman representing Ceará from 1999 to 2011 and Federal Senator representing the state from 2011 to 2019, becoming president of the Senate of Brazil from 1 February 2017 to 2019.

He is mentioned in 2017 among the beneficiaries of bribes from the multinational JBS.

[3] In a plea bargain, Eunício was accused of having received two million reais in bribes from the Odebrecht Organization (now Novonor).