National Criminal Justice Commission Act of 2013 - Establishes the National Criminal Justice Commission.
Directs the Commission to: (1) review all areas of the criminal justice system, including federal, state, local, and tribal governments' criminal justice costs, practices, and policies; (2) make findings regarding such review and recommendations for changes to prevent, deter, and reduce crime and violence, reduce recidivism, improve cost-effectiveness, and ensure the interests of justice at every step of the criminal justice system; (3) consult with government and nongovernment leaders, including the United States Sentencing Commission; and (4) submit a final report on its findings, conclusions, and recommendations to Congress, the President, and state, local, and tribal governments and make such report available to the public. Expresses the sense of Congress that the Commission should work toward unanimously supported findings and recommendations.