Alia Baha ed Din Toukan (December 25, 1948 - February 9, 1977), was the third wife of King Hussein of Jordan.

A daughter of Bahauddin Toukan, former Jordanian ambassador to the Court of St James's, she was born in Cairo, Egypt. She married the king on December 24, 1972, and was titled Queen Alia al Hussein. They had two children of their own, and adopted a daughter. She died in a helicopter crash in Amman, Jordan, and Amman airport was afterwards renamed Queen Alia International Airport.