Estela Mercedes Regidor Belledone (born 24 March 1970) is an Argentine politician who served as a National Deputy elected in Corrientes Province.

[3] At the 2017 legislative election, Regidor was the first candidate in the Encuentro por Corrientes (ECO)–Cambiemos list.

[4][5] As national deputy, Regidor formed part of the parliamentary commissions on Pensions and Social Security, Labour Legislation, Political Trials, Families and Childhood, and Elderly People.

[1] She was a vocal opponent of the legalization of abortion in Argentina, voting against the two Voluntary Interruption of Pregnancy bills that were debated by the Argentine Congress in 2018 and 2020.

[10] In 2021, Regidor caused controversy when leaked voice notes between her and her legislative aides revealed she was extorting her staff to take up to 50% of their salaries.