Sultan Sir Yusuf Izzuddin Rathiullah Ghafarullahulahu Shah, KCMG (15 January 1890 - 4 January 1963) was a Sultan of Perak, a state in the current Federation of Malaysia.
In 1938, upon the death of his uncle, Sultan Iskandar Shah Ibni Almarhum Sultan Idris Rahmatullah Shah, he was appointed as Raja Muda. Raja Yusuf ascended the Perak throne in 1948 following the death of Sultan Abdul Aziz Al-Mutasim Billah Shah Ibni Almarhum Raja Muda Musa.
Death
He died on 4 January 1963, aged 72, and was posthumously titled as Marhum Ghafarullah. He was succeeded by Sultan Idris Al-Mutawakkil Alallahi Shah Ibni Almarhum Sultan Iskandar Shah Kadassallah.