Syed Zafar Hasnain Zaidi Urdu: سید ظفر حسنین زیدی (4 March 1939 – 7 January 2001) was a Pakistani scientific researcher, and professor who introduced the concept of Protein Chemistry in Pakistan.

programme again from University of Sindh, Jamshoro in 1963 specializing in Physical Chemistry in which his academic research was entitled Basic Strength of 2 Methyl Indole.

Zaidi made significant contributions in the field of Protein Chemistry research.

He organized six international symposia and workshops on Protein structure function and was a coordinator of the DNA Sequence Course held in 1987.

The Karachi University Senate recognized his contribution to Protein Chemistry by re-naming the National Center for Proteomics (established 2008) to Dr. Zafar H. Zaidi Center for Proteomics in November, 2019; this was formally changed in July 2020.