Abdallah Ishak (Arabic: عبد الله إسحق) was a Lebanese Armenian Catholic politician.
Ishak hailed from the pre-1915 Armenian diaspora in Lebanon.
[1] In 1929 he defeated Ayoub Tabet and was elected to the Lebanese Parliament from the Beirut Minorities seat with the support from Maronite and Armenian groups.
[1] Ishak contested elections again in 1934, standing on the list of Abdallah Yafi.
But in the second round he was defeated by the pro-government candidate Ayoub Tabet.