Raja Permaisuri Tuanku Bainun, Sultan Azlan Muhibbuddin Shah's widow Sultan Salehuddin, the Sultan Sultanah Maliha, the Sultanah Tunku Soraya binti Almarhum Sultan Abdul Halim Mu’adzam Shah (Jawi: تونكو ثريا بنت المرحوم سلطان عبدالحليم معظم شاه; born Tunku Soraya binti Tengku Abdul Aziz; born 30 April 1960) is the Raja Puan Muda (Deputy Crown Princess) of Perak who is the wife of Raja Iskandar Dzurkarnain, the Raja Di-Hilir (Deputy Crown Prince) of Perak.
She was adopted by her maternal uncle Sultan Abdul Halim and his consort Sultanah Bahiyah of Kedah as their daughter on 3 May 1960.
On 3 May 1960, Sultan Abdul Halim and his wife Sultanah Bahiyah adopted both their then three-day old newborn twin nieces, Tunku Soraya and Tunku Sarina as their daughters whilst awaiting the birth of their own child.
Six years later in 1966, the royal couple welcomed their only biological daughter, Tunku Puteri Intan Safinaz.
[1] Tunku Soraya received her early education at both St Nicholas Convent, Alor Star and at Bukit Nenas Convent, Kuala Lumpur and later continued her studies at Brighton Polytechnic, Brighton, Sussex, England.