Ending the Notorious, Aggressive, and Remorseless Criminal Organizations and Syndicates Act of 2023 or the Ending the NARCOS Act of 2023 This bill designates nine specified drug cartels as foreign terrorist organizations. (Among other things, such a designation allows the Department of the Treasury to require financial institutions to block transactions involving the organization.) The bill also requires the Office of the Director of National Intelligence to establish an interagency task force on combating Mexican cartels and other transnational criminal organizations.