Posted in Business & Finance, Government & Military, Information Technology, Organizations ADCU stands for Australian Defence Credit Union (Sydney, NSW, Australia) ADCU stands for Advanced Data Communications Utility ADCU stands for AC to DC Converter Unit ADCU stands for Agricultural Diversification Coordinating Unit (Organisation of Eastern Caribbean States) ADCU stands for Ateneo De Cagayan University (est. 1933; Xavier University; Philippines) ADCU