“Whatever its motives and means, direct euthanasia consists in putting an end to the lives of handicapped, sick, or dying persons. It is morally unacceptable.”

“Thus an act or omission which, of itself or by intention, causes death in order to eliminate suffering constitutes a murder gravely contrary to the dignity of the human person and to the respect due to the living God, his Creator. The error of judgment into which one can fall in good faith does not change the nature of this murderous act, which must always be forbidden and excluded.”
(CCC, No. 2277)

EUTHANASIA

Catechism of the Catholic Church
#2276-2279

Declaration on Euthanasia (1980)
Sacred Congregation for the Doctrine of the Faith

To Live Each Day with Dignity:
A Statement on Physician-Assisted Suicide (2011)
United States Conference of Catholic Bishops

Ethical and Religious Directives for Catholic Health Care Services
5th Ed.(2009) United States Catholic Conference of Bishops

Responses To Certain Questions Of The United States Conferences Of Catholic Bishops Concerning Artificial Nutrition And Hydration (2007)
Cardinal William Levada, Prefect, Sacred Congregation for the Doctrine of the Faith

“Life-Sustaining Treatments And Vegetative State: Scientific Advances And Ethical Dilemmas” (2004)
Address Of John Paul II To The participants of The International Congress

Patients Rights Council addresses euthanasia, assisted suicide, and end-of-life issues from a public policy perspective.
The Patients Rights Council was previously known as the International Task Force on Euthanasia and Assisted Suicide.