Jacobus Hendricus ("Jack") van Lint (1 September 1932 – 28 September 2004) was a Dutch mathematician, professor at the Eindhoven University of Technology, of which he was rector magnificus from 1991 till 1996. He gained his Ph.D. from Utrecht University in 1957 under the supervision of Fred van der Blij. He was professor of mathematics at Eindhoven University of Technology from 1959 to 1997. He was appointed a full professor at Eindhoven University of Technology at the age of 26 years. His field of research was initially number theory, but he worked mainly in combinatorics and coding theory.