Gershon Ben-Shakhar (Hebrew: גרשון בן שחר; born May 25, 1942) is an Israeli psychologist.

[1][4] He was a Post-Doctoral Fellow at Northwestern University in Evanston, Illinois, from 1975 to 1976.

[1] Ben-Shakhar taught in the Department of Psychology at The Hebrew University of Jerusalem from 1981 on, ultimately as a Professor and for a time as the Chair of the Department and the Dean of the Faculty of Social Sciences.

[1][5][4] In 2003 he became president of the Open University of Israel, succeeding Eliahu Nissim.

[1][4] Along with John J. Furedy he wrote the book Theories and Applications in the Detection of Deception: A psychophysiological and international perspective (New York: Springer-Verlag, 1990).