Flanders is the country of the Flemings; for several decades, it has also been a community and region in Belgium. Geographically and historically, it has also covered parts of France and the Netherlands but may also refer to:

• Flanders, Louisiana, USA
• Flanders, Michigan, USA
• Flanders, New Jersey, USA
• Flanders, New York, USA
• Flanders, a village in the town of East Lyme, Connecticut, USA
• Flanders, a village in Litchfield County, Connecticut, USA
• Indian Flanders (Flandes Indiano), an old name for Chile given during the Arauco War

• Flanders, a townland in County Londonderry, Northern Ireland
• County of Flanders, a historical county of the Low Countries, which included part of the north of modern-day France and the extreme south-west of the modern Netherlands
• East Flanders, a province of Flanders, one of the three regions of modern-day Belgium
• Flanders Fields, the battlefields of World War I in northern France and north-western Belgium
• Flemish Community, one of the three Communities of Belgium, called Flanders
• Flemish Region, one of the three Regions of Belgium, called Flanders
• French Flanders, in the northern French department of Nord in the region of Hauts-de-France
• West Flanders, the westernmost province of the Flemish Region, also named Flanders, in modern-day Belgium
• Zeelandic Flanders in The Netherlands

• Raúl Hernández Barrón, Mexican suspected drug lord, nicknamed "Flanders 1"

• "In Flanders Fields", a 1915 World War I poem by Lt-Col John McCrae
• In Flanders Fields: The 1917 Campaign, a book by historian Leon Wolff
• Moll Flanders, a 1722 novel by Daniel Defoe

• Flanders (band), a.k.a. Deflect, an Italian electronic/dance group
• Flanders (film), by French filmmaker Bruno Dumont
• Flandre Scarlet, a vampire from the Touhou Project game series
• Ned Flanders, a character from The Simpsons franchise

• Flanders Automobile Company, a US-American automobile manufacturer that operated in Detroit from 1910 to 1913
• Flanders (horse), an American racehorse
• Flanders, a common fig cultivar
• MS Flanders, a ferry in service under this name in 2002

• Flemish (disambiguation)