The move is part of a drive to cut off financial support for Pyongyang’s nuclear and missile programmes.
As statement from the OFAC said: “The individuals sanctioned today are North Korean nationals operating in China, Russia, Libya and the United Arab Emirates who act as representatives of North Korean banks.
“OFAC also identified two banks as part of the Government of North Korea.
“As a result of today’s action, any property or interests in property of the designated persons in the possession or control of US persons or within the United States must be blocked.”
Any property or interests in property of the designated persons in the possession or control of US persons or within the United States must be blocked.
Treasury Secretary Steven Mnuchin said: “We are targeting North Korean banks and financial facilitators acting as representatives for North Korean banks across the globe.
“This further advances our strategy to fully isolate North Korea in order to achieve our broader objectives of a peaceful and denuclearised Korean peninsula.
“This action is also consistent with UN Security Council Resolutions.”
The latest action by the US is part of a concerted drive by countries across the globe to exert economic pressure on the country’s leader Kim Jong-un to stop his aspirations to become a nuclear power.
Recent resolutions by the United Nations Security Council have increased the sanctions on Pyongyang, with one package of measures being described by the US treasury as “the strongest sanctions ever imposed on North Korea.”