Tengku Ampuan Tua Tengku Intan Zaharah binti Almarhum Tengku Seri Setia Raja Tengku Hitam Omar was the Tengku Ampuan Tua of Terengganu. She was formerly the Tengku Ampuan Besar of Terengganu from 1945 to 1979, the Tengku Ampuan of Terengganu from 1979 to 1998 and Tengku Ampuan Tua of Terengganu from 1998 until her death in 2015. She also served as the fourth Raja Permaisuri Agong of Malaysia from 1965 to 1970.

The Raja Permaisuri Agong, also known as the Paramount Consort and also unofficially as the Queen of Malaysia, is the consort of the Yang di-Pertuan Agong, the elected, constitutional federal monarch of Malaysia.