Two hundred and sixty cases of abdominal masses in children below 12 years at Kalawati Saran Children Hospital, New Delhi, are reviewed. More than two-third masses (71.5%) were benign. Males were affected more often than females (2.4:1). Most common mass was renal (53.5%) followed by G.I. T. (22.3%), hepatobiliary (7.7%) and genital tract (2.7%). Miscellaneous group (including neuroblastoma, tretroperitoneal secondaries, retroperitoneal teratoma etc) constituted 13.8%. Amongst renal masses, hydronephrosis (56.8%) and Wilm’s tumour (27.4%) were the commonest. Appendicular masses (27.0%) dominated gastrointestinal system. Most common mode of presentation of hepatobiliary masses was liver abscess (50.0%). Abdominal masses were associated with a high mortality (26.2%); 80.0% due to malignant tumours.