Peter B. Warr is a British occupational psychologist.

Warr was awarded a BA from the University of Cambridge followed by a PhD from the University of Sheffield. He spent the majority of his academic career at Sheffield. With Harry Kay he established Social and Applied Psychology Unit of which he became Director. The unit combined with the Institute of Work Psychology from which Warr retired as Emeritus Professor.^[1]

He has researched extensively on various aspect of occupational psychology. In particular, he has contributed substantially to understanding of worker happiness and unhappiness.^[2]

• Spearman Medal, British Psychological Society for distinguished research
• President's Award, British Psychological Society for outstanding contributions to psychological knowledge
• 1999 - Honorary Fellow, British Psychological Society
• Fellow, International Association of Applied Psychology
• Fellow, Society of Industrial and Organizational Psychology

• Warr, P. B. (2019). The Psychology of Happiness. Oxford: Routledge.
• Warr, P. and Clapperton, G. (2009). The Joy of Work? Jobs, Happiness, and You. London: Routledge.
• Warr, P. B. (2007). Work, Happiness, and Unhappiness. New York: Routledge.