Grigor Hamam () or Grigol Hamam () (d. 897) was king of Hereti (Arran) between 893âÂÂ897. He was one of the descendants of the princely family of the Mihranids. Prince Grigor Hamam occupied large part of Arran and even restored the Albanian kingship for a while.
Grigor married an unknown princess, with whom he had five sons: