The tumor of the corpus callosum is a rare tumor with a incidence of 0.6 to 4.9% among all intracranial tumors. We report a case of astrocytoma of corpus callosum in 39 year-old man with complaints of headache, recent memory disturbance and urinary incontinence. The tumor located in the corpus callosum is soft consistency with light-grey color and the microscopic finding reveals astrocytoma in grade II.