Cecilia Heyes FBA (born 6 March 1960) is a British psychologist who studies the evolution of the human mind. She is a Senior Research Fellow in Theoretical Life Sciences at All Souls College, and a Professor of Psychology at the University of Oxford. She is also a Fellow of the British Academy (psychology and philosophy sections), and President of the Experimental Psychology Society. Heyes is the author of Cognitive Gadgets: The Cultural Evolution of Thinking (2018), described by Tyler Cowen as "an important book and likely the most thoughtful of the year in the social sciences".