Bray (born July 25, 1931) is an American obesity researcher.
As of 2016, he is a University Professor emeritus and formerly the chief of the division of clinical obesity and metabolism at Louisiana State University's Pennington Biomedical Research Center (PBRC) in Baton Rouge.
He is also a Boyd Professor emeritus at PBRC, and a professor of medicine emeritus at the Louisiana State University Medical Center.