Ellis Fuller Lawrence (November 13, 1879 – February 27, 1946) was an American architect who worked primarily in the U.S. state of Oregon. In 1914, he became the co-founder and first dean of the University of Oregon's School of Architecture and Allied Arts, a position he held until his death. Lawrence concurrently served as campus architect for the University of Oregon and designed many campus buildings, including Knight Library and the Jordan Schnitzer Museum of Art.