NDF or ndf may refer to:
Arts and entertainment , a German film production company; formed 1947 Neutral-density filter, in photography
Finance Non-deliverable forward Nordic Development Fund, a north European regional bank; formed 1989
Organisations Military National Defence Forces, Syria; active 2012–2024 Norwegian Defence Force, Norway; formed 1628 Namibian Defence Force, Namibia; formed 1990
Political National Democratic Force, Burma; formed 2010 National Democratic Front (disambiguation); various parties, coalitions and militant groups National Development Front, South India; formed 1994
Non-profit Neighborhood Development Foundation, New Orleans, US Nordic Development Fund, a mutilateral state bank; formed 1989 Norwegian Association of the Deaf (; founded 1918
Technology Neutral-density filter, in optics and photography Neutral detergent fiber, a fiber-evaluating method used in animal nutrition No defect found, things returned for repair not found to be faulty Non drop-frame, video type designation used in SMPTE timecode