Delusional Misidentification Syndromes (SYTS) are considered to be uncommon psychopathological phenomena countered in psychiatric and neurological cases. It is defined as the delusions in which the person believes that the persons, places, objects and events around the person have changed or proliferated. Intermetamorphosis is a phenomenon in which there is a marked increase in familiarity and the physical and mental identities of familiar or unfamiliar people change and become a familiar person to the patient. Intermetamorphosis is the rarest syndromes among SYTS and was termed by Courbon and Tusques in 1932. In this article, a case of intermetamorphosis syndrome in a patient diagnosed with schizophrenia will be presented.