The following article aims to present the psychological meanings that are built around legal psychology, by psychologists, lawyers and students of psychology. Natural Semantic Networks were used to collect and process data. It was found that the words associated to the expression “Legal Psychology” are consistent with the traditional definitions; that the definers used by each group are close together, that the hierarchical organization each group assigns to the definer is different, and that the predominance is to relate legal psychology to the practice of forensic psychology.