The Williams family of painters, also known as the Barnes School, is a family of prominent 19th-century Victorian landscape artists known for their paintings of the British countryside, coasts and mountains. They are represented by the artist Edward Williams (1781–1855), his six sons, and several grandchildren.

Edward Williams was an English landscape painter during the Victorian era. He had six sons, who were well-known landscape painters as well. Williams is considered the patriarch of the Williams family of painters, which is also referred to as the Barnes School.