Lloyd Kahn (born April 28, 1935) is an American publisher, editor, author, photographer, carpenter, and self-taught architect. He is the founding editor-in-chief of Shelter Publications, Inc., and is the former Shelter editor of the Whole Earth Catalog. He is a pioneer of the green building and green architecture movements. His book Shelter (1973) about DIY architecture, has sold more than 250,000 copies. He lives and works in Bolinas, Marin County, California.