Gustav Kafka (July 23, 1883, Vienna – February 12, 1953, Veitshöchheim bei Würzburg) was an Austrian philosopher, psychologist.
One of Kafka's most outstanding contributions to the realms of psychology have been his critique of fundamentals and methods, such as his criticism of behaviorism, and other articles in which he revealed new points of view based on concrete investigation.His son Gustav Eduard Kafka (February 4, 1907, München – January 17, 1974, Graz) was a sociologist and jurist.