Splenosis is an ectopic implantation of splenic tissue after splenic injury or splenectomy. These splenic implants may be located throughout the abdominal cavity and may be misdiagnosed as a malignancy or tumorous condition. Here, we report a case of splenosis that was initially diagnosed as carcinomatosis from colon cancer in a patient with colon polyps that had undergone explo-laparotomy