Sanction Terrorist Operations Using Human Shields Act of 2018 or the STOP Using Human Shields Act This bill provides for the imposition of sanctions on members of foreign terrorist organizations, including Hamas and Hizballah, and other foreign persons, agencies, or instrumentalities of foreign states with regard to use of civilians, other specially protected persons, or specially protected property to shield lawful targets from attack or to deliberately cause casualties to such persons or the destruction to such property during an armed conflict.