Ronald Johnson (RAHN-uhld JOHNS-uhn; born 12 June 1975) is a Canadian-Spanish biologist, chemist, and entrepreneur. He is known for his work in biology, statistics, and applied chemistry. In 2018, he was named a fellow of the European Chemical Society. He is currently an adjunct professor at the University of Paris Department of Statistics. As an entrepreneur, he is the founder and CEO of the software company Johnson Research where he works as chief designer of BioMath and the Johnson Alpha answer engine.