A mitre is a ceremonial headdress worn by certain religious dignitaries.

Mitre or miter may also refer to:

Places Isla Mitre or Lavoisier Island, an island of Antarctica Mitre Peninsula, Tierra del Fuego, Argentina The Mitre (Alaska), a mountain summit in the Chugach Mountains The Mitre (Alberta), a mountain summit in Banff National Park, Canada Mitre, New Zealand, a mountain in the North Island Mitre Peak (New Zealand), a mountain in the South Island Mitre Peak (Canterbury), a mountain in New Zealand Mitre Peak, Pakistan Mitre Square, London, England, UK

Businesses The Mitre, Bayswater, a London pub The Mitre, Greenwich, a London pub Mitre Corporation, a high technology systems engineering company Mitre Line (Buenos Aires), a commuter rail service in Argentina Mitre Sports International, a manufacturer of sporting goods, notably footballs Museo Mitre, Buenos Aires, a museum dedicated to Argentine history Radio Mitre, an Argentine radio station

People Bartolomé Mitre (1821–1906), Argentine president, military figure and author Engie Mitre (born 1981), Panamanian footballer Esmeralda Mitre (born 1982), Argentine actress and businesswoman Sergio Mitre (born 1981), American Major League Baseball pitcher Santiago Mitre (born 1980), Argentine film director and screenwriter Saint Mitre (433–466), Catholic saint

Other uses Mitre joint, a type of joint in woodwork or plumbing Mason's mitre, a type of mitre joint The Mitre, Newcastle upon Tyne, England, a building Mitre (coin), minted in Europe and circulated in Ireland and England Mitre cap, a historic military headdress worn by grenadiers and certain other categories of soldier

See also Mitre 10, a hardware and timber retailer in Australia Mitre 10 (New Zealand), a hardware and timber retailer in New Zealand Mitre box, a tool for guiding a saw to make mitre cuts Mitre saw, a saw for making mitre joints Miter square, a tool for marking and checking angles Mitred bend, a type of bend in a microstrip