Siti Hasmah Mohamad Ali, wife of the Prime Minister of Malaysia, Tun Dr. Mahathir Mohamad
Tun Dr. Siti Hasmah binti Haji Mohamad Ali (Jawi: سيتي حسمه بنت محمد علي; born 12 July 1926) is the spouse and wife of Mahathir Mohamad, the 4th and 7th Prime Minister of Malaysia. She played the role of Spouse of the Prime Minister of Malaysia from July 1981 to October 2003 and from May 2018 to February 2020 for almost 24 years. She is the oldest-living person of the role.

She was also the former chancellor of the Multimedia University of Malaysia.