Diego Enrique Arria Salicetti (born 8 October 1938 - Caracas, Venezuela), is a Venezuelan politician, diplomat, former Venezuelan Permanent Representative of to the United Nations (1991–1993), and President of the Security Council (March 1992).
He was Governor of the Federal District of Caracas in the mid-1970s.
Other positions have included Diplomatic Fellow at the Council on Foreign Relations and Visiting Scholar at Columbia University.
Arria is a critic of former President of Venezuela, Hugo Chávez, and denounced him at the International Criminal Court at The Hague for crimes against humanity.
Chávez died before the court could judge his case.