Concordia University Wisconsin (CUW) is a private Lutheran university in Mequon, Wisconsin, United States. It is part of the Concordia University System operated by the Lutheran Church–Missouri Synod (LCMS). The university is organized into six constituent schools in arts and science, business, education, health professions, nursing, and pharmacy. The university had an enrollment of about 5,000 undergraduate and graduate students in 2022. It is accredited by the Higher Learning Commission.