En este ensayo se analiza la repercusion que segun Foucault tuvo la “violencia soberana” que ejercio Sigmund Freud en la psicologia del siglo XX; el texto se basa fundamentalmente en las consideraciones que realiza el filosofo frances en sus primeros textos publicados, especialmente en los articulos de 1957 “La psicologia de 1850 a 1950” y “La Investigacion cientifica y la psicologia”. Se observara que para Foucault, la transcendencia del psicoanalisis freudiano en la psicologia resulta absolutamente incuestionable y determinante. En la parte final del texto, se mencionan algunas de las tesis que Foucault elaboro para explicar el poder de influencia que segun el tuvo el psicoanalisis freudiano sobre el saber psicologico y las ciencias humanas en general. Abstract In this sumary is analized the repercusion that Foucault said have had the “supreme violence”, that Sigmund Freud developed in the psychology of xx century; The text is fundamentally based in the considerations performed for the french philosopher in his first texts publishied, specially in the articles from 1957 “Psychology from 1850 to 1950’’ and the “scientific investigation and the psychology”. It will notice that for Foucault, the transcendencia from psychoanalysis freudiano in the psychology is absolutely inquestionable and determining. In the last part of the text, is mentioned some of the tesis that Foucault developed for explain the power of the influence according to him, had the psychoanalysis freudiano, about psychological knowledge and the humanity sciences in general.