Al-Sultan Abdullah I Sri Dhanmaru Aadheettha Mahaa Radhun (Dhivehi: އައްސުލްޠާން ޢަބްދުﷲ އެއްވަނަ ސިރީ ދަންމަރު އާދީއްތަ މަހާރަދުން) was the Sultan of the Maldives in 1373–1376[1] or 1374–1376.[2]
He was vizier to the court before forcing his wife Queen Khadijah to abdicate, and succeeding to the throne. In his third year of reign his wife killed him while he was asleep in bed and reclaimed the throne once again.[citation needed]