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

Born on 4 December 1932 in Kuala Terengganu, she was the fourth child of Tengku Panglima Perang Tengku Muhammad Mu’azzam Shah ibni Almarhum Sultan Haji Sir Ahmad al-Mu’azzam Shah and Tengku Hajah Mandak binti Tengku Haji Mustaffar, and the granddaughter of Almarhum Sultan Ahmad Shah, the first Sultan of Pahang.

Her father, the son of Sultan Ahmad of Pahang, served as Chief Minister of Terengganu and Pahang before returning to Pahang to hold the same post.

Tengku Hajah Afzan received her early education at the Malay Girls’ School in Pekan. She also received private tuition in English.

On 22 April 1954, at the age of 22, she married Ahmad Shah,^[1] Crown Prince of Pahang, at Kuala Lipis and became the Tengku Puan (Crown Princess) of Pahang. She gave birth to seven children, two boys and five girls,^[2] including the sixth and current Sultan of Pahang and the sixteenth Yang Di Pertuan Agong of Malaysia, Al-Sultan Abdullah Ri'ayatuddin Al-Mustafa Billah Shah, Tengku Tan Sri Meriam, Tengku Datuk Seri Muhaini, Tengku Datuk Seri Aishah Marcella, Tengku Abdul Rahman, Tengku Datuk Nong Fatimah and Tengku Datuk Shahariah.^[3]

In 1974 when Ahmad Shah ascended to the throne of Pahang, she became his queen consort styled as Tengku Ampuan of Pahang. She was Raja Permaisuri Agong of Malaysia (queen consort of the elected leader) between 1979 and 1984.

Tengku Afzan died on 29 June 1988 at 8:42 am at Istana Pahang, Kuala Lumpur at the age of 55 due to cancer. She was laid to rest at the Pahang Royal Mausoleum near Abu Bakar Royal Mosque in Pekan, Pahang.

She has been awarded :

• Yang di-Pertuan Agong
• Raja Permaisuri Agong