To reauthorize the Global Food Security Act of 2016, and for other purposes.

Global Food Security Reauthorization Act of 2018 This bill amends the Global Food Security Act of 2016 to revise policy objectives and to: (1) extend through FY2021 the program to carry out those portions of the global food security strategy that relate to the Department of State and the U.S. Agency for International Development, and (2) expand requirements for reporting by the President regarding strategy implementation. The Foreign Assistance Act of 1961 is amended to extend through FY2021 the assistance program for international disaster relief and rehabilitation, including the set-aside for the emergency food security program.