ANCSA Unrecognized Community Landless Natives Authorization Act of 2017 This bill amends the Alaska Native Claims Settlement Act to permit the Alaska Native residents of each of the Alaska Native villages of Haines, Ketchikan, Petersburg, Tenakee, and Wrangell, Alaska, to organize as Alaska Native urban corporations and to receive certain settlement land. These urban corporations may establish a settlement trust to promote the health, education, and welfare of the trust beneficiaries, and preserve the Alaska Native heritage and culture of their communities.