Malcolm Timothy Gladwell (born September 3, 1963) is a Canadian journalist, author, and public speaker. He has been a staff writer for The New Yorker since 1996. He has published six books: The Tipping Point: How Little Things Can Make a Big Difference (2000); Blink: The Power of Thinking Without Thinking (2005); Outliers: The Story of Success (2008); What the Dog Saw: And Other Adventures (2009), a collection of his journalism; and David and Goliath: Underdogs, Misfits, and the Art of Battling Giants (2013). His first five books were on The New York Times Best Seller list. His sixth book, Talking to Strangers: What We Should Know about the People We Don't Know, was released in September 2019. He is also the host of the podcast Revisionist History and co-founder of the podcast company Pushkin Industries.

Gladwell's books and articles often deal with the unexpected implications of research in the social sciences and make frequent and extended use of academic work, particularly in the areas of sociology, psychology, and social psychology. Gladwell was appointed to the Order of Canada on June 30, 2011.