Sandra Méndez Hernández (born 9 December 1977) is a Mexican politician from the Institutional Revolutionary Party (PRI).

[2] The PRI tapped Méndez to be an alternate local deputy to the 55th session of the Congress of the State of Mexico, between 2003 and 2006.

After her term as alternate deputy ended, Méndez returned to the local government, becoming an official with the municipal Civil Registry.

She also served on commissions for Equity and Gender; Population, Borders and Migratory Matters; and Special for the Automotive Industry.

She was the president of the Jurisdictional Commission and served on three others: Federal District, Labor and Social Welfare, and Instructory Section, which is charged with analyzing the legality of cases presented against public officials.