John Lane Bell (born March 25, 1945) is a Canadian philosopher and logician.
He is Professor of Philosophy at the University of Western Ontario in Canada.
He has made contributions to mathematical logic and philosophy, and is the author of a number of books.
His research includes such topics as set theory, model theory, lattice theory, modal logic, quantum logic, constructive mathematics, type theory, topos theory, infinitesimal analysis, spacetime theory, and the philosophy of mathematics.
He is the author of more than 70 articles and of 11 books.
In 2009, he was elected a Fellow of the Royal Society of Canada.