Jám Nizámuddín II (Sindhi: ڄام نظام الدين عرف‎, Urdu: جام نظام الدين ثاني‎; 1439–1509), also known as Jam Nizam al-Din or Jám Nindó (Sindhi: ڄام نندو‎), was the Sultan of Sindh between 1461 and 1508 CE. He was the most famous ruler of the Samma dynasty, which ruled Sindh, parts of Punjab and Balochistan from 1351 to 1551 CE. His capital was Thatta in modern-day southern Pakistan.