The aims of this retrospective cohort study were to classify the severity of patients admitted to the pediatric intensive care unit (PICU) with acute pancreatitis (AP) and to identify how many patients received appropriate nutritional management in accordance with more recent guidelines and the outcomes of those patients. Of the 54 children with AP, 12 (22.2%) had a primary diagnosis of AP (50% severe, 17% moderate) whereas 42 (77.8%) had a secondary diagnosis of AP (81% severe, 11.9% moderate). Just under half of the patients (48.1%) had enteral nutrition commenced before the third day of admission (50% with primary AP, 47.6% with secondary AP). The average time to initiation of enteral feeds was 2.3 days for those that received enteral nutrition. 51.8% of patients received parenteral nutrition (25% with primary AP, 59.5% with secondary AP). Most patients received enteral nutrition late and parenteral nutrition was overused in patients with AP admitted to the PICU.