The national assembly is largely a rubber-stamp body with little authority, but many top North Korean officials are members, and Kim's father, late leader Kim Jong-Il, stood for election when he was in power.
The results are a foregone conclusion, with only one approved candidate standing for each of the 687 districts.
The presidium of the Supreme People's Assembly (SPA) announced last month that the election - held every five years - would take place on March 9.
Kim was "unanimously" nominated to stand for the Mount Paektu constituency number 111, the North's official KCNA news agency said yesterday.
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Koreans have traditionally attributed divine status to Mount Paektu and, according to the North's propaganda, Kim Jong-Il was born on its slopes.
According to KCNA, Kim's nomination was celebrated with a dance party for military personnel in the constituency, which wound up with a lively rendition of the song: "We Will Defend General Kim Jong-Un at the Cost of Our Lives".
The last session in April 203 adopted a special ordinance formalising the country's position as a nuclear weapons state - a status that both South Korea and the United States have vowed not to recognise.
Kim succeeded his father in December 2011, and the March election will be watched for any revelations on the changing power structure in Pyongyang.
Kim has already overseen sweeping changes within the North's ruling elite -- the most dramatic example being the execution of his powerful uncle and political mentor Jang Song-Thaek last month on charges of treason and corruption.
Jang was also a member of the SPA, and the March vote will provide an opportunity to see if any senior figures are removed from the candidates' list.