Manuel Andrade Díaz (born 1965 in Villahermosa, Tabasco) is a Mexican politician affiliated with the Institutional Revolutionary Party (PRI) and former Governor of Tabasco. He holds a Law degree from the University Juárez Autónoma of Tabasco and qualified in Electoral Law and Parliamentary Law.
He was elected as Secretary General of the National Movement of Revolutionary Youth in the municipality of Centro, Tabasco, as well as Interim Secretary General of Popular Youth, and between 1989 and 1992, he was State President of the Revolutionary Youth Front (FJR). In this role he participated in the writing of the FJR Statutes, within the framework of the organisation's National Assembly.
He served as Secretary General of the PRI Municipal Committee in Centro municipality; state co-ordinator of the PRI Electoral Program of Squares of First Priority of the CDE, in 1991; delegate of the CDE in Comalcalco, Cárdenas, Teapa and Cunduacán; and President of the PRI's Committee for the Promotion and Defence of Human Rights, from 1993 to 1994. That year he was named Coordinating State of the Legal Defense program of vote for the electoral process, and nominated Roberto Madrazo Pintado as candidate for Governor.
During Pintado's campaign, Andrade was named Secretary of Electoral Action, in which position he designed the strategy that resulted in victory for the PRI. This victory led him to become the PRI's representative to the state and municipal electoral bodies, in the federal and local inquiries of 1988, 1991 and 1994.
From 1996 to 1998, he was state leader of the PRI in Tabasco. While in this position he organised an concerted political and electoral campaign and managed to recover the four mayoralties that had been lost to the opposition three years before.