Turhan Nejat Veziroğlu (born c. 1924), sometimes referred to as TN Veziroglu, is a professor emeritus at the University of Miami, and during the 1970s chaired its mechanical engineering department and was its associate dean for research. He is the President of the International Association for Hydrogen Energy and founding editor of the International Journal of Hydrogen Energy. A research center at the University of Niğde, Turkey carries his name.