NMF may refer to: Non-negative matrix factorization National Medical Fellowships, a nonprofit organization providing scholarships and awards to underrepresented minority medical students in the United States Natural moisturizing factor, a small molecules present in corneocyte cells Neuenfelder Maschinenfabrik, a German company for ship cranes N-Methylformamide New minor forcing, a contract bridge bidding convention Neural modeling fields, a mathematical framework for machine learning Green Warriors of Norway (Norwegian: Norges Miljøvernforbund), a Norwegian environmental NGO Nippon Music Foundation, an organisation to develop international networks of music and foster public interest in music in Japan Norman Music Festival, an annual three-day American music festival Norman, Oklahoma New Music Friday, also known as Global Release Day