Ralph Rinzler (July 20, 1934 – July 2, 1994) was an American mandolin player, folksinger, and the co-founder of the annual Smithsonian Folklife Festival on the Mall every summer in Washington, D.C., where he worked as a curator for American art, music, and folk culture at the Smithsonian. This festival was from the beginning and continues to be a major event for musicians, artistans, and craftsman from a broad variety of American culture, including African American, Native American, Appalachian, Southern, Western and other groups in the United States.