Syed Tajammul Hussain (January 1, 1951 – July 28, 2013), was a prominent Pakistani chemist and physicist, one of the pioneers of nano-technology in the country, known for his important contributions to the field of nanomaterial-based catalysts.
He is also known for his role in laying down the foundations of nanotechnology in Pakistan and a new method for production of diesel fuel from coal, catalyzed by nano-particles.