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Objectives Nutritional support during the neonatal and postoperative period in congenital diaphragmatic hernia (CDH) is challenging and controversial. We aimed to report on early enteral nutritional support in symptomatic CDH patients during the pre- and postoperative period, including feasibility, associated factors with established full enteral nutrition, and weight at birth, discharge, and 18 months. Methods We retrospectively collected data on nutrition: type and volume of enteral nutrition and parental support. Enteral feeding was introduced preoperatively from day 1 after birth, increased step-wised (breastmilk preferred), and resumed after CDH repair on the first postoperative day. Baseline data were available from our CDH database. Results From 2011 to 2020, we identified 45 CDH infants. Twenty-two were girls (51.1%), 35 left sided (77.8%), and 40 underwent CDH repair (88.9%). Median (interquartile range) length of stay in the pediatric intensive care unit was 14.6 days (6.0–26.5), and 1-year mortality was 17.8%.Postoperatively, 120 and 160 mL/kg/d of enteral nutrition was achieved after a median of 6.5 (3.6–12.6) and 10.6 (7.6–21.7) days, respectively. In total, 31 (68.9%) needed supplemental parenteral nutrition in a median period of 8 days (5–18), and of those 11 had parenteral nutrition initiated before CDH repair. No complications to enteral feeding were reported. Conclusion Early enteral nutrition in CDH infants is feasible and may have the potential to reduce the need for parental nutrition and reduce time to full enteral nutrition in the postoperative period.