The United Nations Korean Medal was originally designated as the United Nations Service Medal but was officially renamed the United Nations Korean Medal on November 22, 1961.

The United Nations Korean Medal was awarded for qualifying service between the inclusive dates of June 27, 1950 and July 27, 1954.

The United Nations Korean Medal was generally awarded for any period of service while assigned as a member of the Armed Forces dispatched to Korea or adjacent areas for service on behalf of the United Nations.