Hajj Moosa AbdulRahman Hassan (Arabic: موسى بن عبد الرحمن بن حسن الرئيسي) was an Omani businessman, tribal leader, and landlord. He was born in the old town of Muscat and finished his studies in the American Mission School. He established a firm in 1927 in supplying coals and foodstuffs to British ships & frigates in Muscat.