Addai Sher
| Addai Scher | |
|---|---|
| Archbishop of the Eparchy of Siirt | |
| See | Archeparchy of Siirt | 
| In office | 13 November 1902—21 June 1915 | 
| Predecessor | Yousef VI Emmanuel II Thomas | 
| Successor | Ceased to exist | 
| Previous post(s) | Priest | 
| Orders | |
| Ordination | 15 August 1889 | 
| Personal details | |
| Born | 3 March 1867 | 
| Died | 21 June 1915 (aged 48) Siirt | 
Addai Scher (Syriac: ܐܕܝ ܫܝܪ, IPA: [ʔadðˈðaːj ʃeːr]; Arabic: أدي شير) Also written Addai Sher, Addaï Scher and Addai Sheir (3 March 1867 – 21 June 1915), an ethnic Assyrian, was the Chaldean Catholic archbishop of Siirt in Upper Mesopotamia. He was killed by the Ottomans during the 1915 Assyrian Genocide.