Unlocking Our Domestic LNG Potential Act This bill amends the Natural Gas Act to grant the Federal Energy Regulatory Commission the exclusive authority to approve or deny an application for the siting, construction, expansion, or operation of a facility to export natural gas from the United States to a foreign country or import natural gas from a foreign country, including a Liquefied Natural Gas (LNG) terminal. The bill states that nothing in the Natural Gas Act limits the authority of the President under any provision of law that imposes sanctions on a foreign person or government, including a foreign government that is designated as a state sponsor of terrorism, to prohibit imports or exports.