Notre Dame of Marbel University, also known by its acronym NDMU, is a private Catholic educational institution run by the Marist Brothers in Koronadal, South Cotabato, Philippines.

It was founded in 1945 and offers pre-school, elementary, high school, college and postgraduate courses.

Francis McSorley, OMI, founded Notre Dame of Marbel High School immediately after World War II to cater to the education needs of the sons and daughters of the settlers of Koronadal valley.

The greatest concentration of Marist Brothers is in France, Australia, Spain, Brazil, Mexico, Canada, The United States, Cairo, Nigeria, Zimbabwe, Argentina, New Zealand, Belgium, and Italy.

In Asia, The Marist Brothers are in South Korea, Japan, Taiwan, Guam, Hong Kong, Malaysia, Pakistan, Sri Lanka, and the Philippines.

The Marists are sure of their future in the Philippines for already many Filipinos have become Marist Brothers and more young men are now in training in the Aspirancy in Lagao, General Santos City, in the novitiate in Tamontaka, Cotabato City and in the Scholasticate in Marikina, Metro Manila.

The Notre Dame of Marbel University – Integrated Basic Education Department Campus is located in Purok Masikap, Barangay Sto.