Luciana Barbosa de Oliveira Santos (born 29 December 1965) is a Brazilian engineer and politician.

Santos has served as Minister of Science, Technology and Innovation in the cabinet of President Luiz Inácio Lula da Silva since 2023.

[1] Santos has served as leader of the Communist Party of Brazil (PCdoB) since 2015.

Prior to this, she served as mayor of Olinda.

[3] This article about a Brazilian politician is a stub.