Ramzi Garmou (born in Zakho, Iraq on 5 February 1945), was the Assyro-Chaldean Catholic archbishop of Tehran on the Assyro-Chaldean Catholic Metropolitan Archdiocese of Tehran.

Garmou was consecrated a priest on 13 January 1977 and joined the Eparchy of Tehran. On 5 May 1995, he was appointed by Pope John Paul II as co-adjutor bishop of Tehran. His episcopal ordination was on the hands of The Chaldean Patriarch of Babylon Raphael I Bidawid aided by Archbishop of Tehran, Youhannan Semaan Issayi and by the Archbishop of Urmia Thomas Meram on 25 February 1996.

On 7 February 1999, Ramzi Garmou succeeded Youhannan Semaan Issayi as Assyro-Chaldean Archbishop of Tehran upon the latter's death.^[1]

In 2019, he became Archbishop of Diarbekir (Amida) (Chaldean), Turkey. He lives in Istanbul.^[2]

On November 10, 2023, Imad Khoshabeh replaced him as Archbishop of Tehran^[3]