John Plummer Derwent Lloyd (also commonly referred as J. P. D. Lloyd and Rev. Derwent Llwyd; June 7, 1861 – February 22, 1933) was an Episcopal cleric bearing the title of the Reverend who served in a number of churches across the United States and Canada. Of English descent, Lloyd worked at or rectored churches in Indiana, Wisconsin, Illinois, Nebraska, and Washington, and was the Episcopal Dean of Nova Scotia. Lloyd was an active resident of Seattle, Washington, inspiring public movements and taking part in the city's intellectual development through the presidency of the Public Library board of trustees. Under his supervision, the Seattle St. Mark's church and its premises were renewed and improved, and the number of people in the congregation considerably increased. In Halifax, Nova Sc