Hakim Syed Zillur Rahman is an Indian scholar of Unani medicine. He founded Ibn Sina Academy of Medieval Medicine and Sciences in 2000. He had earlier served as Professor and chairman, Department of Ilmul Advia at the Ajmal Khan Tibbiya College, Aligarh Muslim University, Aligarh, for over 40 years before retiring as Dean Faculty of Unani Medicine. Presently, he is serving AMU as "Honorary Treasurer". In 2006, the Government of India awarded him the Padma Shri for his contribution to Unani Medicine.

Unani or Yunani medicine is Perso-Arabic traditional medicine as practiced in Muslim culture in South Asia and modern day Central Asia. Unani medicine is pseudoscientific. The Indian Medical Association describes Unani practitioners who claim to practice medicine as quacks.