Raymond Yong, Template:Post-nominals (born in Singapore on April 10, 1929) is a retired Canadian environmental engineer. His father was Principal of a Methodist school and he first studied in the United States at Washington & Jefferson College due to his godfather who was a Methodist missionary. He started in medicine, but switched to physics. He became an important instructor at McGill University. He is also an authority on contaminated soil and has 60 patents. In 1985 he won the Izaak-Walton-Killam Award.