William Jerome Bichsel, S.J. (May 26, 1928 – February 28, 2015), nicknamed "Bix", was a Jesuit priest in Tacoma, Washington, United States. He is notable for his actions as a non-violent protester, spending time in federal prison for actions to promote social justice and nuclear disarmament and was deeply engaged in the effort to close the School of the Americas. He died February 28, 2015, of heart disease in Tacoma, Washington.