The Dadiyan family was an Ottoman Armenian family that was famous for their industrial activities within the Ottoman Empire. Besides being prominent factory owners (the family had a monopoly on the empire's gunpowder industry for more than a century), members of the family also served as political advisers. The Dadiyans were also well acquainted with Ottoman banking. Ohannes Dadiyan was the director of the gunpowder factory in 1845.

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Armenian families Armenians from the Ottoman Empire Families from the Ottoman Empire {{Ottoman-stub