| Margaerete Coelho | |
| Office: | Federal Deputy for Piauí |
| Term Start: | 1 January 2019 |
| Office1: | 19th Vice Governor of Piauí |
| Term Start1: | 1 January 2015 |
| Term End1: | 31 December 2019 |
| Governor1: | Wellington Dias |
| Predecessor1: | Antônio Moraes |
| Successor1: | Regina Sousa |
| Office2: | Deputy for The State of Piauí |
| Term Start2: | 1 January 2011 |
| Term End2: | 31 December 2014 |
| Birth Date: | 12 March 1961 |
| Birth Place: | São Raimundo Nonato, Piauí Brazil |
| Spouse: | Marcelo Coelho |
| Party: | PP |
| Alma Mater: | State University of Piauí |
| Profession: | Lawyer |
Margarete de Castro Coelho (São Raimundo Nonato, PI, March 12, 1961) is a Brazilian lawyer and politician, a federal deputy elected to represent Piauí. Affiliated to Progressistas, she fulfilled the mandate of vice-governor of Piauí between 2015 and 2019, having been the first woman elected in the state for the position.
Daughter of Aloisio Rubem de Castro and Edvaldina Gonçalves de Castro. Specialist lawyer in Procedural Law from the Federal University of Santa Catarina, in Constitutional Law from the Federal University of Piauí and in Electoral Law, from the Electoral Judicial School of the Regional Electoral Court of Piauí in agreement with the Federal University of Piauí. She was a professor in the Law course at State University of Piauí.Married to Marcelo Coelho, she was his successor in the Legislative Assembly of Piauí and was elected state deputy in 2010 by the PP and in 2014 became the first woman to be elected vice-governor of Piauí.
In 2018, she was elected federal deputy.[1] [2]