Flat

Flat or flats may refer to:

Architecture

 * Apartment, known as a flat in the United Kingdom, Ireland, and other Commonwealth countries

Arts and entertainment

 * Flat (music), a symbol (♭) which denotes a lower pitch
 * Flat (soldier), a two-dimensional toy soldier made of tin or plastic
 * Flat (theatre), a flat piece of theatrical scenery
 * Flat, a leading type of wordplay, as identified by the National Puzzlers' League
 * Flat! (2010), an Indian film
 * Flats (band), an English band
 * Flats (comics), the first stage in the comic coloring process

Footwear

 * Flats, footwear which is not high-heeled
 * Ballet flats, derived from ballet shoes, for casual wear as well as dancing
 * Ballet shoes (also known as ballet slippers), often referred to as "flats" or "flat shoes"
 * Racing flats, lightweight shoes used primarily for running a race

Landforms

 * Flat (landform), a relatively level area within a region of greater relief

Bodies of water

 * Flat, a shallow water area in the context of boating, fishing or marine biology, often used in plural form
 * Brewster Flats, an area of Cape Cod Bay off the shore of Massachusetts, U.S.
 * Kentish Flats Offshore Wind Farm, off the coast of Kent, England
 * Rhyl Flats, a wind farm off the coast of North Wales
 * Flat coast, a shoreline where the land descends gradually into the sea

United States

 * Flat, Alaska, a census-designated place
 * Flat, Kentucky, an unincorporated community
 * Flat, Missouri, an unincorporated community
 * Flat, Texas, an unincorporated community
 * Flat Brook, a tributary of the Delaware River in Sussex County, New Jersey
 * Flats, Nebraska, United States
 * Flats, West Virginia, an unincorporated community
 * Forest Lake Area Trail System, Missouri

Other

 * Flat, Puy-de-Dôme, a commune in the French region of Auvergne
 * Flat Island (disambiguation), in various places
 * Flat Islands (disambiguation), in Canada and Antarctica
 * Flat River (disambiguation), in the United States and Canada

Mathematics and geometry

 * Flat (geometry), the generalization of lines and planes in an n-dimensional Euclidean space
 * Flat (matroids), a further generalization of flats from linear algebra to the context of matroids
 * Flat module in ring theory
 * Flat morphism in algebraic geometry
 * Flat space, a space with zero curvature
 * Flat sign, for its use in mathematics; see musical isomorphism, mapping vectors to covectors

Nickname

 * Earl "Flat" Chase (1910–1954), Canadian baseball player
 * Flat Walsh (1897–1959), Canadian ice hockey goaltender

Fictional characters

 * Flat Eric, a character in some Levi's commercials
 * Flat Stanley, namesake of an American children's book series

Groups

 * FLATS or First Lady Astronaut Trainees, American women who underwent NASA Project Mercury physiological screening tests

Other uses

 * Flat (gridiron football), the area of the gridiron football field
 * Flat butterflies or flats, certain skipper butterfly genera in subfamily Pyrginae:
 * Calleagris (scarce flats),
 * Celaenorrhinus of tribe Celaenorrhinini;
 * Eagris, and
 * Tagiades (water flats, snow flats), of tribe Tagiadini
 * Flats (USPS), an oversized letter
 * Optical flat, an extremely flat piece of glass