| Regina Sousa | |
| Office: | Secretary of Social Assistance, Labor and Human Rights of Piauí |
| Term Start: | 1 January 2023 |
| Governor: | Rafael Fonteles |
| Predecessor: | Zé Santana |
| Office1: | Governor of Piauí |
| Term Start1: | 31 March 2022 |
| Term End1: | 31 December 2022 |
| Vicegovernor1: | None |
| Predecessor1: | Wellington Dias |
| Successor1: | Rafael Fonteles |
| Office2: | Vice Governor of Piauí |
| Governor2: | Wellington Dias |
| Term Start2: | January 1, 2019 |
| Term End2: | March 31, 2022 |
| Successor2: | Themístocles Filho |
| Office3: | Senator for Piauí |
| Term Start3: | January 1, 2015 |
| Term End3: | December 14, 2018 |
| Office4: | State Secretary of Administration of Piauí |
| Term Start4: | January 1, 2003 |
| Term End4: | January 1, 2011 |
| Governor4: | Wellington Dias |
| Birth Date: | 4 July 1950 |
| Birth Place: | União, Piauí, Brazil |
| Party: | PT (1980–present) |
| Alma Mater: | Federal University of Piauí |
| Profession: | Banker |
Maria Regina Sousa (born July 4, 1950) is a Brazilian politician who served as Governor of Piauí between March and December 2022. A member of the Workers' Party (PT), Sousa previously as Vice Governor from 2019 until her predecessor Wellington Dias' resignation in 2022.[1]
Sousa served as secretary of state of Piauí from 2003 to 2011. From 2015 to her resignation in 2018, Sousa represented Piauí in the Federal Senate. Since January 2023 has served as Secretary of Social Assistance, Labor and Human Rights of Piauí.[2]
Sousa is a former employee of the Bank of Brazil and served as the secretary of State of Piauí in the first two governments of Wellington Dias. She has presided over the Bankers' Union and the Single Central Workers’ Union (CUT) in Piauí.
In the 2010 state elections in Piauí, she was elected the first alternate senator. She is currently president of the PT in Piauí and on January 1, 2015, assumed the term of senator with the election of Wellington Dias as governor of Piauí. In November 2015, she voted against the arrest of Delcídio Amaral. In October 2017, she voted against maintaining the mandate of Senator Aécio Neves, showing himself favorable to the decision of the First Panel of the Supreme Federal Court in the case where he is accused of corruption and obstruction of justice for requesting R$ 2 million from businessman Joesley Batista. During her term in the Federal Senate, she chaired the Commission on Human Rights and Participatory Legislation (HRC).
In the 2018 elections, she was elected vice-governor of Piauí on the Wellington Dias ticket. On December 14, 2018, she resigned as a senator and took on the coalition's second deputy, Zé Santana (MDB)
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