Addai II Giwargis
| Addai II Giwargis | |
|---|---|
| Catholicos Patriarch of the Ancient Church of the East | |
| Native name | ܡܪܝ ܐܕܝ ܬܪܝܢܐ | 
| Church | Ancient Church of the East ܥܕܬܐ ܥܬܝܩܬܐ ܕܡܕܢܚܐ | 
| Archdiocese | Patriarchal Archdiocese of Baghdad and Basra | 
| See | Apostolic See of Seleucia-Ctesiphon | 
| Installed | 20 February 1972 | 
| Term ended | 11 February 2022 | 
| Predecessor | Mar Thoma Darmo (1968–1969) | 
| Successor | Mar Gewargis Younan | 
| Previous post(s) | Metropolitan of Iraq (September 1968) | 
| Orders | |
| Ordination | 20 February 1972 at St. Zaia Cathedral (Baghdad, Iraq) | 
| Rank | Catholicos-Patriarch | 
| Personal details | |
| Born | Shlemun Giwargis 6 January 1948 | 
| Died | 11 February 2022 (aged 74) Phoenix, Arizona, United States | 
| Nationality | Assyrian | 
| Denomination | Ancient Church of the East | 
| Occupation | Clergy | 
Mar Addai II (Syriac: ܡܪܝ ܐܕܝ ܬܪܝܢܐ; born Shlemun Giwargis Syriac: ܫܠܝܡܘܢ ܓܝܘܪܓܝܣ 6 January 1948 – 11 February 2022) was Catholicos-Patriarch of the Ancient Church of the East. He resided in the Apostolic See of Seleucia-Ctesiphon in Baghdad, Iraq.