Christopher F. Chabris (/ʃəˈbriː/) is an American research psychologist, currently Senior Investigator (Professor) at Geisinger Health System, visiting fellow at the Institute for Advanced Study in Toulouse, France, and associate professor of Psychology and co-director of the Neuroscience Program at Union College in Schenectady, New York (on leave 2016–2017).

He is best known as the co-author (with Daniel Simons) of the popular science book The Invisible Gorilla, which presents the results of research into attention and other cognitive illusions.

In 1999 he received a Ph.D. degree in psychology from Harvard University, with a thesis titled "Cognitive and Neuropsychological Mechanisms of Expertise: Studies with Chess Masters."

From 1999 to 2001 he was a Research Fellow at the NMR Center, Department of Radiology, Massachusetts General Hospital and Harvard Medical School.

He has produced several chess events and writes on monthly column called Game On for The Wall Street Journal.