Cysts of spleen are rare encounter in clinical practice and could be true or false depending up on the presence of epithelial lining. They are usually asymptomatic and are result of infection, trauma or infarction. We present a case of non–traumatic pseudocyst of spleen in an elderly female, where the patient presented with dull ache in left side of upper abdomen. The cyst was removed successfully via left subcostal incision