Mesentric cyst is rare intrabdominal lesion , most commonly occurring in children < 10 yr . These cyst can occur in any part of mesentry from duodenum to rectum and had varied presentations . Mesentric dermoid are unusual type of mesenteric cyst and only few cases has been reported in literature till now .We present a rare case of 17 day neonatal intestinal obstruction for which exploration was done and mesenteric dermoid cyst was diagnosed as a cause of intestinal obstruction.