Hoorn is a city in North Holland, the Netherlands.

Hoorn may also refer to:

• Hoorn, Heerde, Gelderland, Netherlands
• Hoorn, Friesland, Netherlands
• County of Horne, or Hoorn, a county of the Holy Roman Empire in present-day Netherlands and Belgium
• Hoorn Islands, South Pacific islands named after the city of Hoorn

• Jordanus Hoorn (1753–1833), Dutch painter
• Carol Hoorn Fraser (1930–1991), American figurative artist active in Canada

• Horn (disambiguation)
• Den Hoorn (disambiguation)
• Van Hoorn, a surname

This disambiguation page lists articles associated with the title Hoorn.
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