Frank Colvin Senn STS (born 1943) is an American liturgist and pastor of the Evangelical Lutheran Church in America.
He has been an adjunct or visiting professor at the University of Chicago Divinity School (1982–84), the University of Notre Dame, Concordia University Chicago, Garrett-Evangelical Theological Seminary, Trinity Theological College in Singapore, Satya Wacana Christian University in Central Java, Indonesia, Trinity School for Ministry, and Carey Theological College in Vancouver, and Reformed Theological Seminary of Indonesia in Jakarta.
from the Lutheran School of Theology at Chicago, and a Ph.D. in liturgical studies from the University of Notre Dame.
His work centers on the history and renewal of Christian liturgy and ecumenicism.
In retirement Pastor Senn continues to write, teach, and practice yoga.