| Afzan Malay: {{Script|Arab|افزان | |
| Succession: | Raja Permaisuri Agong VII |
| Reign: | 26 April 1979 – 25 April 1984 |
| Coronation: | 10 July 1980 |
| Predecessor: | Tengku Zainab |
| Successor: | Tengku Zanariah |
| Succession1: | Tengku Ampuan of Pahang |
| Coronation1: | 6 May 1975 |
| Reign1: | 8 May 1974 – 29 June 1988 |
| Predecessor1: | Tengku Ampuan Fatimah |
| Successor1: | Sultanah Kalsom (as Sultanah) |
| Issue: |
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| House: | Bendahara of Pahang |
| Regnal Name: | Tengku Ampuan Hajah Afzan binti Almarhum Tengku Panglima Perang Muhammad |
| Posthumous Name: | Marhumah Rahimahallah |
| Birth Name: | Tengku Afzan binti Tengku Muhammad |
| Birth Date: | 4 December 1932 |
| Birth Place: | Kuala Terengganu, Terengganu, British Malaya (now Malaysia) |
| Death Place: | Istana Pahang, Kuala Lumpur, Malaysia |
| Burial Date: | 30 June 1988 |
| Burial Place: | Pahang Royal Mausoleum, Kuala Pahang, Pekan, Pahang, Malaysia |
| Religion: | Sunni Islam |
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 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] namely, Tengku Meriam, Tengku Muhaini, Tengku Aishah Marcella, Al-Sultan Abdullah Ri'ayatuddin Al-Mustafa Billah Shah, Tengku Abdul Rahman, Tengku Nong Fatimah and Tengku 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 (Queen of Malaysia) 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.