Peter Galadza (born 5 May 1955) is a Ukrainian Greco-Catholic priest and theologian. He is director emeritus and professor emeritus of liturgy at the Metropolitan Andrey Sheptytsky Institute of Eastern Christian Studies in the Faculty of Theology, University of St. Michael's College, Toronto, Canada, and a member of the Faculty of Graduate Studies at the Toronto School of Theology. In 2003-2004 he was a fellow at Harvard University's Dumbarton Oaks Byzantine Research Center. In 2007 he was awarded a major, three-year, grant from the Social Sciences and Humanities Research Council of Canada (SSHRC) to study Ukrainian liturgical manuscripts. From 2010 to 2012 he was president of the international Society of Oriental Liturgy, founded by Robert F. Taft, SJ.