David Katz (1 October 1884, Kassel – 2 February 1953, Stockholm) was a German-born Swedish psychologist and educator who specialized in Gestalt psychology and phenomenology.

Prior to the establishment of the Nazi regime in Germany, he served as the chair of psychology and education at the State University of Mecklenburg in Rostock.

Katz became the chair of psychology and education at the State University of Mecklenburg in Rostock, Germany in 1919.

In England, Katz studied the tongue with T.H Pear and then later began research on the feeding habits of monkeys under poor light conditions with Julian Huxley in 1935.

He also investigated subjects like appetite, perceptual constancy, color, kinesthesis, touch, vibratory sense, and musical perception.