Mario Raymundo Fiad (born 12 January 1957) is an Argentine surgeon and politician, currently serving as a National Senator for Jujuy Province since 2017. He previously served as a National Deputy from 2009 to 2015, and as health minister of Jujuy from 2015 to 2017, in the government of Gerardo Morales. Fiad belongs to the Radical Civic Union (UCR), and presides the Jujuy Province UCR committee since 2015.