Federico Mayor Zaragoza (born 27 January 1934 in Barcelona) is a Spanish scientist, scholar, politician, diplomat, and poet.
He served as director-general of UNESCO from 1987 to 1999.
He is currently the chairman of the Foundation for a Culture of Peace and member of the Honorary Board of the International Decade for the Promotion of a Culture of Peace and Non-Violence for the Children of the World as well as the honorary chairman of the Académie de la Paix.Federico Mayor is an Earth Charter International Commission member.