Raja Permaisuri Tuanku Bainun (Jawi: راج ڤرمايسوري توانکو بعينون; née Bainun binti Mohd Ali; born 7 November 1932) is the former Raja Permaisuri of Perak the (Queen) Malaysian state of Perak. She was also the ninth Raja Permaisuri Agong (Queen) of Malaysia, the first commoner to be installed as Queen. She is the widow of Sultan Azlan Shah and the mother of the incumbent Sultan Nazrin Shah. She is now styled as Yang Maha Mulia Raja Permaisuri Tuanku Bainun.