Tengku Ampuan Hajah Afzan Rahimahallah binti Almarhum Tengku Panglima Perang Tengku Muhammad (Jawi: تڠكو امڤوان حاجه افضان رحمة ﷲ بنت المرحوم تڠكو ڤڠليما ڤرڠ تڠکو محمد) 4 December 1932 – 29 June 1988 was the Tengku Ampuan of Pahang. She served as Raja Permaisuri Agong of Malaysia between 26 April 1979 and 25 April 1984.