Chief Seattle, American tribal chief (b. 1780)
Chief Seattle (c. 1786 – June 7, 1866) was a Suquamish and Duwamish chief. A leading figure among his people, he pursued a path of accommodation to white settlers, forming a personal relationship with "Doc" Maynard. The city of Seattle, in the U.S. state of Washington, was named after him. A widely publicized speech arguing in favor of ecological responsibility and respect of Native Americans' land rights had been attributed to him.

The name Seattle is an Anglicization of the modern Duwamish conventional spelling Si'ahl, equivalent to the modern Lushootseed spelling siʔaɫ IPA: [ˈsiʔaːɬ] and also rendered as Sealth, Seathl or See-ahth.