Flatiron or flat iron may refer to:
Objects Clothes iron Hair iron
Places Flatiron Building, New York City, at the intersection of 5th & Broadway Flatiron District, New York City, named after the Flatiron Building List of Flatiron buildings, including many similar buildings Flatirons Community Church, a large non-denominational church in Lafayette, Colorado
Geology Flatiron (geomorphology), a steeply sloping wedge shaped landscape feature Flatirons, rock formations near Boulder, Colorado Flatiron (volcano), a volcano in Wells Gray Park, British Columbia, Canada The Flatiron, a headland overlooking Granite Harbour, Victoria Land, Antarctica
Other uses Flat Iron (restaurant), British steak restaurant chain The Flatiron (photograph), a 1904 photograph by Edward Steichen Flatiron Books, a division of Macmillan Publishers Flat Iron (lacrosse), First Nations lacrosse player who competed in the 1904 Summer Olympics for Canada Flat-iron gunboat, a 19th-century iron gunboat typified by a single large gun fitted in the bow Flatiron (ship), a type of British ship for passing under low bridges Flat iron steak, a cut of beef Flatiron Dragados, a civil infrastructure construction firm