Ashwani K. Gupta (born 1948) is a British-American engineer and educator with research focus on combustion, fuels, fuel reforming, advanced diagnostics, High Temperature Air Combustion (called HiTAC), and high-intensity distributed combustion, green combustion turbine, micro-combustion, and air pollution. He is an Distinguished University Professor at the University of Maryland. Gupta is also Professor of Mechanical Engineering at the University of Maryland and Director of Combustion Laboratory. He is also an Affiliate Professor at Institute of Physical Science and Technology, University of Maryland which is part of the University of Maryland College of Computer, Mathematical and Natural Sciences.