Religious Freedom Peace Tax Fund Act of 2017 This bill directs the Department of the Treasury to establish in the Religious Freedom Peace Tax Fund for the deposit of income, gift, and estate taxes paid by or on behalf of taxpayers: (1) who are designated conscientious objectors opposed to participation in war in any form based upon their sincerely held moral, ethical, or religious beliefs or training (within the meaning of the Military Selective Service Act); and (2) who have certified their beliefs in writing. Amounts deposited in the Fund shall be allocated annually to any appropriation not for a military purpose. Treasury shall report to the House and Senate Appropriations Committees on the total amount transferred into the Fund during the preceding fiscal year and the purposes for which such amount was allocated. The privacy of individuals using the Fund shall be protected.