César Octavio Camacho Quiroz (born 14 February 1959) is a Mexican lawyer and politician affiliated with the Institutional Revolutionary Party.
He served as Governor of the State of Mexico between 1995 and 1999, as Senator of the LVIII and LIX Legislatures of the Mexican Congress, and as Deputy of the LX and LXIII Legislatures, all representing the State of Mexico, and as president of the PRI between 2012 and 2015.