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- Madison University, Gulfport, Mississippi
- Maharana Patap Shiksha Niketan Vishwavidyalaya, Pratapgarh, India
- Mahila Gram Vidyapith, Prayag, Allahabad, India
- Maithili University/Vishwavidyalaya, Darbhanga, Bihar, India
- Management Institute of Canada
- Marquis Open University, Italy
- Master's International School of Divinity, Evansville, Indiana (Oregon’s Office of Degree Authorization lists this institution as “unaccredited religious exempt school”)
- Metropolitan Collegiate Institute (associated with the fake teaching hospital Sussex General Hospital, both purportedly in London)
- Metro University, Nigeria
- Miami Christian University, Miami, Florida
- Mid-States Bible College (Des Moines, Iowa) (now Kingsway Bible University)
- Midwest College of Oriental Medicine
- Miranda International University, Italy
- Mississippi International University
- Monticello University
- Morris Brown College (lost accreditation in 2002)
- Mountain States Baptist College, Montana. Part of Independent Baptist Bible College Movement.
Read more about this topic: List Of Unaccredited Institutions Of Higher Education