Mustafa Sandal (born 11 January 1970), also known as Musti, is a Turkish pop music singer-songwriter, record producer, dancer, businessman, and actor whose albums have sold over 20 million copies worldwide and have achieved diamond, platinum, and gold certifications in Turkey. Regarding his critical and commercial success, Sandal is often considered to be one of the most important singers from Turkey since he emerged in the early 1990s with the revival of Turkish pop music. Born and raised in Istanbul, he primarily studied at Dost Koleji in Tarabya and at Collège du Léman in Geneva, and briefly attended University of New Hampshire's School of Business and Economics in the United States before receiving his BA degree in Management from American College of London. His vocal abilities captured the attention of several different recording artists and following his graduation, Mustafa Sandal became involved in song writing also for notable singers. He is extremely fluent in English, French, Italian, and Turkish.

Musti is famous in Europe for his songs "Moonlight", "Araba", and "\u0130syankâr" in such European countries as Austria, Belgium, Bosnia and Herzegovina, France, Germany, and Switzerland. He is also known in the United States, Uzbekistan, Russia, and Azerbaijan. His brother-in-law is Mirsad Türkcan, the first Turkish basketball player to play in the NBA.

Having been married on 13 January 2008 in Hôtel Les Ottomans à Istanbul to the prominent Serbian Bosniak singer Emina Jahovi\u0107 whom he met in July 2004 in Bodrum, Mu\u011fla, he has two sons. The couple's first child, Yaman, was born by Caesarean section in Istanbul on 8 August 2008. He weighed in at 3,700 grams (eight pounds, two ounces). On 21 February 2012, Mustafa Sandal's wife Emina Jahovi\u0107 gave birth at the American Hospital to a baby boy, Yavuz, measuring 51 cm long (20 inches) and 3,110 grams (6 pounds, 14 ounces).