Matteo Mecacci (born 21 February 1975) is an Italian diplomat serving as director of the OSCE's Office for Democratic Institutions and Human Rights (ODHIR). In the past, he was a Radical Party Member of Parliament in Italy and elected in the lists of the Democratic Party, President of the International Campaign for Tibet and leading advocate for the International Criminal Court, the abolition of the death penalty, religious freedom and other prominent human rights campaigns.