Chaldean Catholic Diocese of Zakho is a diocese of the Chaldean Church in the second half of the 19th century and for most of the 20th century. The diocese of Zakho was merged with the Chaldean diocese of ʿAmadiya in 1987. In December 2001, a new bishop was consecrated. In July 2013, Zakho was suppressed to the Diocese of Amadiyah.