Rubén Ernesto Feldman González (Resistencia, Chaco, September 27, 1940) is an Argentinian physician, surgeon, pediatrician, psychiatrist and neurologist, known mainly for his contribution to psychology, having founded holokinetic psychology, as well as his dissemination of the language Esperanto.
He is the author of more than forty books on holokinetic psychology and the human mind, using an approach he calls Unitary Perception.