Taiwan Democracy Defense Lend-Lease Act of 2023 This bill authorizes the President to lend or lease defense articles to Taiwan for protection against potential Chinese military aggression and requires the President to establish expedited procedures for delivering loaned or leased defense articles to Taiwan. The bill also authorizes the President to finance Taiwan's procurement of certain services in connection with the loan or lease of a defense article, provided Taiwan repays the United States within 12 years.