The Junta Electoral Central (JEC) () is the electoral commission for elections in Spain, monitoring and registering provincial elections, district elections, those of self-governing districts and general elections. It supervises the vote at polling stations. Its mission is to "ensure the transparency of the electoral process and monitor the performance of the Electoral Census Office."

It is based in Madrid, and was created by Spanish law on 26 June 1890 as Central Commission of the Electoral Census (). During the transition to democracy, the Royal Decree-Law 20/1977 of 18 March, on Electoral Regulations, renamed it as Junta Electoral Central.

Composition It comprises eight judges from the Supreme Court, five active professors of law and sociology, a secretary, and the director of the Electoral Census Office (part of the National Statistics Institute), who has a casting vote but is otherwise a sleeping partner.

Presidents Before 1985, the Commission was chaired by the President of the Congress of Deputies (1890-1907) and by the President of the Supreme Court (1907-1985). 1985 - 1987: Paulino Martín Martín 1987 - 1991: Francisco Tuero Bertrand 1991 - March 1993: José Hermenegildo Moyna Ménguez March 1993 - 1994: Ángel Rodríguez García 1994 - 1997: Francisco Soto Nieto 1997 - April 1999: José Luis Albacar López April 1999 - 2000: Juan Antonio Xiol Ríos 2000 - 2004: Enrique Cáncer Lalanne 2004 - 2008: José María Ruiz-Jarabo Ferrán 2008 - 2012: Antonio Martín Valverde 2012 - 2017: Carlos Granados PérezBOE Núm. 142. BOE. Consultado el 3 de julio de 2014. 2017 - 2019: Segundo Menéndez Pérez 2019 - 2020: Antonio Jesús Fonseca-Herrero Raimundo Since 2020: Miguel Colmenero Menéndez de Luarca

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