Peter Adrian Hancock (born March 9, 1953) is a British-American scientist of human factors and ergonomics, author, and expert witness.

He is a Provost Distinguished Research Professor in the Department of Psychology and the Institute for Simulation and Training, as well as the Department of Civil and Environmental Engineering and the Department of Industrial Engineering and Management Systems at the University of Central Florida.

Hancock studied human anatomy and biology at Loughborough University in the United Kingdom.

In 1983, he received a Ph.D. in human performance from the University of Illinois at Urbana–Champaign, and was subsequently awarded a Doctor of Science degree in human-machine systems by Loughborough U. in 2001.

Prior to his appointment at the University of Central Florida, he worked as an assistant professor at the University of Southern California, a research scientist at the National Institute for Occupational Safety and Health, an associate professor (promoted to full professor in 1996) at the University of Minnesota, as a research affiliate for the University of Hawaii at Manoa, as deputy director for the Liberty Mutual Research Center for Safety/Health, a research affiliate for the Massachusetts Institute of Technology, and a visiting professor at the Ben-Gurion University of the Negev.