Sultan bin Muhammad Al-Qasimi, commonly known as Sheikh Sultan III (born 6 July 1939), is the sovereign ruler of the Emirate of Sharjah and is a member of the Federal Supreme Council of the United Arab Emirates.

His Highness Sheikh Dr. Sultan bin Muhammad bin Saqr bin Khalid bin Sultan bin Saqr bin Rashid Al Qasimi was born in Sharjah on Sunday, 2nd July 1939 AD, 14th Jumada-I 1358 Hijri. His mother is Sheikha Maryam bint Sheikh Ghanem bin Salim bin Abdullah bin Saeed bin Sabt bin Matar bin Sultan bin Faris bin Shahwan Al Shamsi. His highness is the sovereign ruler of the Emirate of Sharjah and is a member of the Federal Supreme Council of the United Arab Emirates.

He is also an established historian and has published several theatrical and literary works. After completing his elementary and secondary education between Sharjah, Kuwait City and Dubai, Al-Qasimi went on to study a Bachelor of Science in Agricultural Engineering at Cairo University, graduating in 1971. He completed a PhD with distinction in History at Exeter University in 1985, and another in the Political Geography of the Gulf at Durham University in 1999. The Emir is an Indophile, has made numerous visits to India in his private capacity and even speaks the Malayalam language, albeit haltingly. His abiding interest and affinity for India has been attributed to the fact that as a child, he was raised by a Malayali nanny from Kerala and picked up the Malayalam language from her. There were many major contributions in the historical, literary and theatrical field.