Patrick Barwise (born June 1946) is emeritus professor of management and marketing at London Business School.
He joined the business school in 1976 after an early career at IBM and has published widely on management, marketing and media.He is an honorary fellow of the Marketing Society and a patron of the Market Research Society.
He was a visiting fellow at the Reuters Institute for the Study of Journalism, Oxford University (2011–2014); chairman of Which?, the consumer organisation (2010–2015); and specialist advisor to House of Lords Select Committee on the Communications Inquiry into the regulation of TV advertising (2010–2011.)