Pedro Rafael Vázquez Rivera (December 16, 1934 – June 23, 2011), served as Puerto Rico's eighth Secretary of State from 1979 to 1981 under Governor Carlos Romero Barceló, Deputy Mayor of San Juan, Puerto Rico from 1984 to 1988 under Mayor Baltasar Corrada del Rio and Executive Director of the publicly owned Puerto Rico Electric Power Authority (PREPA) from 1977 to 1979. He was an attorney and engineer.