Support Democracy in Egypt Act - Prohibits the U.S. government from allowing the sale, lease, transfer, retransfer, or delivery of F-16 aircraft, M1 tanks, or certain other defense articles or services to Egypt until the President certifies to Congress that Egypt: (1) is curtailing support for terrorist activities conducted by foreign terrorist organizations; (2) has adopted policies that promote religious and political freedoms; (3) is carrying out concerted efforts to enforce access along the Sinai Peninsula, including preventing illegal weapons smuggling between Egypt and Gaza; and (4) is fully implementing the 1979 Peace Treaty between Egypt and Israel.