Muhammad Salman Khan Tughluq (also Prince Fakhr Malik, Jauna Khan; died March 20, 1351) is the Turkic Sultan of Delhi through 1324 to 1351.

He is the eldest son of Ghiyas-ud-din Tughlaq.

He was born in Kotla Tolay Khan in Multan.

His wife is the daughter of the raja of Dipalpur.

Ghiyas-ud-din Tughlaq had sent the young Muhammad to the Deccan to campaign against king Prataparudra of the Kakatiya dynasty whose capital was at Warangal.

Muhammad succeeds to the Delhi throne upon his father's death in 1325.

Muhammad Tughlaq is a scholar of logic, philosophy, mathematics, astronomy, physical sciences and calligraphy.

He is also interested in medicine and was skilled in several languages — Persian, Arabic, Turkish and Sanskrit.

Ibn Battuta, the famous traveler from Morocco, is a guest at his court.

From his accession to the throne in 1325 until his death in 1351, Muḥammad contends with twenty-two rebellions, pursuing his policies consistently and ruthlessly.