Randall M. Feenstra is a Canadian physicist. He completed a bachelor's degree in engineering physics at the University of British Columbia in 1978, followed by his master's and doctorate in applied physics at the California Institute of Technology. From 1982 to 1995 he was a research staff member at the IBM Thomas J. Watson Research Center in Yorktown Heights, New York. Since 1995, he has taught at Carnegie Mellon University, where he conducts research in semiconductors.