Décio Nery de Lima (born 1 October 1960) is a Brazilian professor, lawyer, and politician.

[7][4] In 2012, he coordinated the Catarinense Parliamentary Front,[8] and, in 2013, he became the first person from Santa Catarina to preside over the Commission on the Constitution, Justice, and Citizenship (CCJC),[9] a period in which he built a horizontal power structure that considered all parties and gave agility to themes of national interest in the commissions' process.

[6] He is also the vice-leader of the PT bench in the Chamber of Deputies, and was a member of seven commissions, among them the CCJC and the work group to evaluate the proposals to the Military Penal Code.

As a condition of the substitute picks, Lima also became a member of the Science and Technology and Communication and Informatics Commission (CCTCI), the Special Commission assigned to analyze the Constitutional Amendment about Public Security (CESEGUR) and the Special Subcommission of Publicity and Propaganda (SUBPUBLI).

In 2017, Lima became a leader of the opposition in the National Congress, leading debates with the PT, Communist Party of Brazil (PCdoB), Democratic Labour Party (PDT), and Sustainability Network (REDE), most notably taking on the Bolsonaro administration proposals on social and workers' rights.