George Joseph Annas Jr. (July 13, 1945 – May 30, 2025) was an American scholar and ethicist. He was the William Fairfield Warren Distinguished Professor and Director of the Center for Health Law, Ethics & Human Rights at the Boston University School of Public Health, School of Medicine, and School of Law.

Annas was born in St. Cloud, Minnesota on July 13, 1945. He held a bachelor's degree in economics from Harvard College, a J.D. from Harvard Law School and an M.P.H. from the Harvard School of Public Health, where he was a Joseph P. Kennedy Fellow in Medical Ethics. He worked in the fields of health law, bioethics, and human rights.

Annas was the cofounder of Global Lawyers and Physicians, a transnational professional NGO that states it is dedicated to promoting human rights and health. He taught health law and human rights courses in the Boston University School of Public Health, the Boston University School of Law, and the Boston University School of Medicine. He was a Hastings Center fellow, a former member of the National Academy of Medicine, a fellow of the American Association for the Advancement of Sciences, and a member of the National Academies' Committee on Human Rights.^{[citation needed]}

Annas was married for 55 years to Mary Frances Roche, who died in October 2024. They had two children, Katie, an attorney, and David, a forensic psychiatrist.

Annas died at the age of 79 at a hospital in Boston, Massachusetts on May 30, 2025, after a recent cancer diagnosis.