Cotter may refer to: *Cotter pin (disambiguation), a pin or wedge used to fix parts rigidly together *Cotter (farmer), the Scots term for a peasant farmer formerly in the Scottish highlands *Cotter (surname), a surname (including a list of people with the name) *Cotter, Arkansas, United States *Cotter, Iowa, United States *Mount Cotter, a mountain in California, United States *Cotter River, a river in the Australian Capital Territory

See also