The 1972 Rothmans International Quebec, also known as the Quebec International Open or Quebec WCT, was a men's professional tennis tournament that was part of the 1972 World Championship Tennis circuit. It was held on indoor carpet courts at the Laval University sports centre in Quebec City, Quebec in Canada. It was the second edition of the tournament and was held from 9 April through 16 April 1972. Seventh-seeded Marty Riessen won the singles title and earned $10,000 first-prize money.[1][4]