ORF

ORF or Orf may refer to:


 * Norfolk International Airport, IATA airport code
 * Observer Research Foundation, an Indian research institute
 * One Race Films, a film production company founded by Vin Diesel
 * Open reading frame, a portion of the genome that has the potential to code for a protein
 * Open Road Films, a joint venture of Regal Entertainment Group and AMC Theatres
 * Operation River Falcon, a military operation in the Iraq War
 * Operation Royal Flush, a military deception employed by the Allied Nations during the Second World War
 * ORF (broadcaster), Austrian public service broadcaster
 * Orf (disease), a cutaneous condition
 * ORF format, Olympus raw image file format with extension
 * Orf, Iran, a village in Kohgiluyeh and Boyer-Ahmad Province, Iran