Abdul Hameed Nayyar (Born 1945), also known as A.H. Nayyar, is a Pakistani physicist, author, and a freelance consultant on the issues of education, nuclear safety, and energy. His field of specialization is in the physics of condensed matter, and served in the faculties of the Quaid-e-Azam University in Islamabad from 1973 till 2005 and the Lahore University of Management Sciences. Nayyar is known for voicing for education reforms and military arms control, which he directed research programs at the Sustainable Development Policy Institute in Islamabad.