Shoreline Erosion Control Demonstration Act of 1993 - Directs the Secretary of the Army, acting through the Chief of Engineers, to establish and conduct a national shoreline erosion control development and demonstration program for eight years after funds are made available for such program. Outlines provisions concerning program requirements, including the development of innovative and cost effective technologies for shoreline protection. Allows such program projects to be undertaken at publicly or privately owned sites on open coast or sheltered waters. Provides selection criteria and requires an annual and final report to specified congressional committees.