Hernando Delfin Carmelo Arreza Iriberri (born April 22, 1960) is a retired Filipino soldier, and was Chief of Staff of the Armed Forces of the Philippines from July 2015 to April 2016.

Iriberri was commissioned in the AFP Regular Force in March 1983 after his graduation from the Philippine Military Academy.

Aside from mainly serving as an infantryman, he was also involved in other fields of the Army such as intelligence, public relations and staff functions.

[5] He had served as spokesman of the Department of National Defense in 2011 during the term of National Defense Secretary Voltaire Gazmin as Commanding General,[6] and Senior Military Assistant at the same department before becoming Commander of the Army's 503rd Brigade in Abra and later Chief of the 7th Infantry Division.

[7] On July 10, 2015, Iriberri was appointed as the 46th Chief of Staff of the Armed Forces of the Philippines at a ceremony in Camp Aguinaldo in Quezon City.