Bryn Williams-Jones (born 1972) is a Canadian bioethicist, professor and director of the Department of Social and Preventive Medicine at the School of Public Health, Université de Montréal.

An interdisciplinary scholar, Williams-Jones completed a bachelor's degree in Philosophy and then a Masters in Religious Studies (bioethics specialization) at McGill University, before pursuing his PhD in Interdisciplinary studies (bioethics) at the W. Maurice Young Centre for Applied Ethics[8] at the University of British Columbia, where he focused on issues of genetics and ethics.

He has published more than 200 articles, commentaries, book chapters and case studies,[12] on topics related to public health policy, regulation and science and technology innovation on subjects including genetics, pharmaceutical development, direct-to-consumer advertising, nanotechnology, and pharmacogenomics.

From 2010-2022 he directed the Bioethics Program[13] in the School of Public Health, Université de Montréal, and starting in December 2020 he became Director of the Department of Social and Preventive Medicine.

He has served on university committees in the Faculty of Graduate Studies and in the School of Public Health, to develop governance initiatives to encourage the responsible conduct of research and prevent misconduct (such as plagiarism and conflicts of interest[14]).