Flatiron or flat iron may refer to various things, often in the shape of a wedge:

Objects

Clothes iron A clothes iron (also flatiron, smoothing iron, or simply iron) is a small appliance that, when heated, is used to press clothes to remove wrinkles and unwanted creases. Domestic irons generally range in operating temperature from between to . ...

Hair iron A hair iron or hair tong is a tool used to change the arrangement of the hair using heat. There are three general kinds: ''curling irons'', used to make the hair curly hair, curly, ''straightening irons'', commonly called ''straighteners'' or ''f ...

Places

Flatiron Building The Flatiron Building, originally the Fuller Building, is a triangular 22-story, steel-framed landmarked building at 175 Fifth Avenue in the eponymous Flatiron District neighborhood of the borough of Manhattan in New York City. Designed by Dan ...

, New York City, at the intersection of 5th & Broadway **

Flatiron District The Flatiron District is a neighborhood in the New York City borough of Manhattan, named after the Flatiron Building at 23rd Street, Broadway and Fifth Avenue. Generally, the Flatiron District is bounded by 14th Street, Union Square and Gre ...

, New York City, named after the Flatiron Building *

List of buildings named Flatiron Building This is a list of flatiron buildings. "Flatiron Building" is \ a name applied to a number of buildings shaped like a flatiron. One of the most famous is the Flatiron Building in New York City, which was finished in 1902. The name "Flatiron Buildi ...

, including many other buildings * Flat Iron, Indiana, a small community in Vermillion County * Flat Iron, Virginia *

Flatirons Community Church Flatirons Community Church is a large non-denominational church in Lafayette, Colorado, approximately 10 miles east of Boulder, Colorado, United States. History Flatirons Community Church was launched in July 1994 as Boulder Creek Community Ch ...

, a large non-denominational church in Lafayette, Colorado

Geology

Flatiron (geomorphology) Traditionally in geomorphology, a flatiron is a steeply sloping triangular landform created by the differential erosion of a steeply dipping, erosion-resistant layer of rock overlying softer strata. Flatirons have wide bases that form the bas ...

, a steeply sloping wedge shaped landscape feature **

Flatirons The Flatirons are rock formations in the western United States, near Boulder, Colorado, consisting of flatirons. There are five large, numbered Flatirons ranging from north to south (First through Fifth, respectively) along the east slope of ...

, rock formations near Boulder, Colorado **

Flatiron (volcano) The Flatiron is the name for an eroded volcanic outcrop in east-central British Columbia, Canada, located in Wells Gray Provincial Park.The Flatiron The Flatiron is a rocky, triangular-shaped headland which overlooks the southwest part of Granite Harbour, in Victoria Land, Antarctica. It was charted by the British Antarctic Expedition, 1910–13, under Robert Falcon Scott Captain Robert ...

, a headland overlooking Granite Harbour, Victoria Land, Antarctica

Other

* ''The Flatiron'', a 1904 photograph by

Edward Steichen Edward Jean Steichen (March 27, 1879 – March 25, 1973) was a Luxembourgish American photographer, painter, and curator, renowned as one of the most prolific and influential figures in the history of photography. Steichen was credited with tr ...

*Flatiron Books, a division of

Macmillan Publishers Macmillan Publishers (occasionally known as the Macmillan Group; formally Macmillan Publishers Ltd and Macmillan Publishing Group, LLC) is a British publishing company traditionally considered to be one of the 'Big Five' English language publ ...

A Flat Iron for a Farthing ''A Flat Iron for a Farthing'' (1872) is a book by Juliana Horatia Ewing (1842–1885) and consists of childhood reminiscences of the only child of a widowed father. It was one of the author's most popular books. References * Humphrey Carpent ...

, an 1872 book by Juliana Horatia Ewing *

Flat Iron Competitor for Canada Flat Iron was a First Nations lacrosse player who competed in the 1904 Summer Olympics for Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocea ...

, a First Nations lacrosse player who competed in the 1904 Summer Olympics for Canada *

Flat-iron gunboat Flat-iron gunboats (more formally known as Rendel gunboats) were a number of classes of coastal gunboats generally characterised by small size, low freeboard, the absence of masts,Some Rendel-type gunboats were fitted with masts (the British ''Med ...

, a 19th-century iron gunboat typified by a single large gun fitted in the bow *

Flatiron (ship) A flatiron is a type of coastal trading vessel designed to pass under bridges that have limited clearance. Her mast(s) are hinged or telescopic, her funnel may be hinged, and her wheelhouse may also fold flat. Flatirons were developed in th ...

, a type of British ship for passing under low bridges * Flat iron steak, a cut of beef *

Flatiron Construction Flatiron Construction Corporation, a subsidiary of Hochtief, is a heavy civil infrastructure contractor headquartered in Broomfield, Colorado in U.S. Flatiron builds infrastructure such as bridges, highways, railways, roads, tunnels, hydropower ...

, a civil infrastructure construction firm {{disambiguation, geo