Musa Ghiatuddin Riayat Shah Ibni Al-Marhum Sultan Alauddin Sulaiman Shah (born Tengku Musa Eddin; Jawi: ; 9 December 1893 – 8 November 1955) was Sultan of Selangor in Malaysia during the Japanese occupation of Selangor (1942–1945). He received the Order of the Rising Sun from the Emperor of Japan, Hirohito.
Early life
Tengku Musa Eddin was born in the Istana Temasya Jugra, Kuala Langat and was the eldest son of Sultan Alaeddin (1863–1938) by his royal consort Tengku Ampuan Maharum binti Raja Muda Tunku Dziauddin of Kedah.
Educated privately, he was made tengku mahkota in 1903. He succeeded his father's great-uncle Raja Laut bin Sultan Muhammad as Raja Muda (Crown Prince) of Selangor in 1920. The appointment occurred on 20 July 1936.