Yang Amat Berbahagia Tun Haji Yusof bin Ishak (Jawi: ???? ?? ?????; YUUSS-off bin ISS-hahk; 12 August 1910 – 23 November 1970) was a Singaporean politician who was the first President of Singapore, serving from 1965 to 1970.
He was chosen by the Parliament of Singapore in 1970.
Before becoming head-of-state, Yusof was a well-known journalist and co-founded Utusan Melayu, which was in circulation till 9th October 2019.
He started journalism after he graduated from Raffles Institution in 1929 and in 1932, he joined Warta Malaya, a well-known Malay newspaper company at that time.
He left the company in 1938 and co-founded Utusan Melayu.Tun Yusof held many appointments within the Singaporean government.
He served on the Film Appeal Committee from 1948 to 1950 and was also a member of both the Nature Reserves Committee and Malayanisation Commission for a year.
In July 1959, he was appointed Chairman of the Public Service Commission, Singapore.
He was sworn on 3 December 1959 as Singapore's Yang di-Pertuan Negara (head of state) after the PAP won the first election held in Singapore after Singapore's self-governance.
Yusof then became the first President of Singapore after the country gained independence on 9 August 1965.
His portrait appears on the Singapore Portrait Series currency notes introduced in 1999.