NCU may refer to:
Businesses and organizations National Cleanup Day, a cleanup event held annually on the Third Saturday in September National Cyclists' Union, a former association for bicycle racing in Great Britain Northern Cricket Union of Ireland
Education Nagoya City University, Japan Nanchang University in Jiangxi, China former name of Nanjing University in Nanjing, China National Central University in Jhongli, Taiwan Nicolaus Copernicus University in Toruń, Poland The NorthCap University, in Gurgaon, Haryana, India University of North Carolina at Chapel Hill, sometimes referred to as North Carolina University North Central University in Minneapolis, Minnesota Northcentral University in Prescott, Arizona Northwest Christian University in Eugene, Oregon Northern Caribbean University in Mandeville, Jamaica
Other National Currency Unit used in OECD statistics Nordic Combat Uniform Nukus Airport (Uzbekistan), IATA code