Charles Eliot (November 1, 1859 – March 25, 1897) was an American landscape architect. Known for pioneering principles of regional planning, naturalistic systems approach to landscape architecture, and laying the groundwork for conservancies across the world. Instrumental in the formation of The Trustees of Reservations, the world's first land trust, playing a central role in shaping the Boston Metropolitan Park System, designing a number of public and private landscapes, and wrote prolifically on a variety of topics.