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.
Raja Yusuf was born on 15 January 1890 at Kuala Kangsar, Perak. He was the son of Sultan Abdul Jalil Nasiruddin Al-Mukhataram Karamatullah Shah Ibni Almarhum Sultan Idris Rahmatullah Shah. Raja Yusuf was educated at Hogan School (later changed to Clifford School), Kuala Kangsar. He was appointed Raja Di Hilir in 1919 and later in 1921, became Raja Bendahara.
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.
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.
| Preceded by Sultan Abdul Aziz Al-Mutasim Billah Shah |
Sultan of Perak 29 March 1948 - 4 January 1963 |
Succeeded by Sultan Idris Al-Mutawakkil Alallahi Shah |