Lucía Posso Naranjo (born 8 August, 1980) is an Ecuadorian politician who is a member of Ecuador's National Assembly for the province of Imbabura.

[citation needed] She was a councillor in Ibarra before the national assembly resigned in 2023, as required by the cross-death decree issued by President Guillermo Lasso.

She was elected to the assembly and to its commission on "Transparency, Citizen Participation and Social Control" together with others including Mariana Yumbay and Carmen Tiupul.

At his election there were only nine members who voted against him being President and these included Cecilia Baltazar, Adriana García, Carmen Tiupul, Fabiola Sanmartín, Andrea Rivadeneira, Luzmila Abad, Mariana Yumbay and Posso.

The Minister of the Interior, Mónica Palencia, was facing impeachment over her role in the arrest of a disgraced politician inside the Mexican Embassy.