noun

• A Roman cognomen, notably borne by Lucius Annaeus Seneca, a Roman stoic philosopher, dramatist, and statesman.
• A member of a tribe of Native Americans in western New York state.
• The Iroquoian language of the Seneca people.
• A number of places in the United States, including:
• A city, the county seat of Nemaha County, Kansas
• A town in Ontario County, New York.
• A town and unincorporated community therein, in Crawford County, Wisconsin.
• A town in Green Lake County, Wisconsin.
• A town in Shawano County, Wisconsin.
• A town in Wood County, Wisconsin.