Mar Shimun XIX Benyamin (1887– 3 March 1918) (Syriac: ܡܪܝ ܒܢܝܡܝܢ ܫܡܥܘܢ ܥܣܪܝܢ ܘܩܕܡܝܐ) served as the 117th Catholicos-Patriarch of the Church of the East.

He was born in 1887 in the village of Qochanis in the Hakkari Province, Ottoman Empire (modern-day southeastern Turkey).

His father was Eshai, a brother of Shimun XVIII Rubil, and his mother was Asyat, daughter of Kambar from Iyl.

He had six siblings: Isaiah, Zaya, Paulos (who succeeded him as Patriarch), David, Hormizd, Surma.

[1] His brother Hormizd was later killed while studying in Istanbul during the Deportation of Armenian intellectuals on 24 April 1915.