Sultan Muhammad Shah (1424–1444) was the third sultan of Malacca. He is the son of Megat Iskandar Shah (Sultan of Malacca). He ruled Malacca from 1424 to 1444. He was succeeded by Sultan Abu Syahid. He was popularly known as Raja Tengah or Radin Tengah. At first he took the title Seri Maharaja, but then he converted to Islam, because of the possibility of marriage with the daughter of Tamil Muslims. He had two sons, Raja Kassim and Raja Ibrahim.