
A couch, also known as a sofa, settee, futon, or chesterfield, is a piece of furniture for seating two or three people. It is commonly found in the form of a bench, with upholstered armrests, and often fitted with springs and tailored cushions. Although a couch is used primarily for seating, it may be used for sleeping. In homes, couches are normally put in the family room, living room, den or lounge. They are sometimes also found in non-residential settings such as hotels, lobbies of commercial offices, waiting rooms, and bars.
A canapé is a piece of furniture similar to a couch. The word is typically meant to describe an elegant couch made out of elaborately carved wood with wooden legs, an upholstered back, armrests, and single long seat that typically seats three, that emerged from France in the 18th century. A style created during the Louis XV and Louis XVI periods, similar yet different from designs used by Thomas Chippendale, it later became popular in the United States during the 19th century.

Chadwick Modular Seating is a modular sofa that is composed of one or more sections that can be arranged to create long, contiguous seating surfaces for offices and homes. Multiple section shapes were produced in many fabrics and colors. Sections were available in straight, wedge and elbow shapes.

A chaise longue is an upholstered sofa in the shape of a chair that is long enough to support the legs.

Davenport was the name of a series of sofas made by the Massachusetts furniture manufacturer A. H. Davenport and Company, now defunct. Due to the popularity of the furniture at the time, the name davenport became a genericized trademark in parts of the United States.

Daybeds are used as beds as well as for lounging, reclining, and seating in common rooms. Their frames can be made out of wood, metal or a combination of wood and metal.

A divan is a piece of couch-like sitting furniture or, in some countries, a box-spring based bed.

A fainting couch is a term said to have been used for a couch with a back that is traditionally raised at one end. The back may be situated completely at one side of the couch, or may wrap around and extend the entire length of the piece much like a traditional couch. However, so-called "fainting couches" are easily differentiated from more traditional couches, having one end of the back raised.

Futon (布団) is the Japanese traditional style of bedding.

Klinai, known in Latin as lectus triclinaris, were a type of ancient furniture used by the ancient Greeks in their symposia and by the ancient Romans in their somewhat different convivia.

The Klippan sofa is a popular model of sofa manufactured and sold by IKEA. Klippan means "the Cliff" in Swedish.. It was first sold in 1979 and celebrated its 30th birthday in 2009 and continues to be one of IKEA's most popular and longstanding products. It comes in a standard two-seat size, and can be fitted with a range of removable and interchangeable fabric covers. As well as standard cotton covers, IKEA sells 'exclusive' collections of covers, retiring designs after a year.

A loveseat can be one of two styles of two-seat chair.

Marshmallow Love Seat #5670, commonly known as the Marshmallow sofa, is a modernist sofa produced by the American furniture company Herman Miller, that was originally manufactured between 1956 and 1961. It is considered the most iconic of all modernist sofas. The sofa was designed by Irving Harper of George Nelson Associates. It was produced in two lengths from 1956 to 1961. It consists of a metal frame with round discs of covered foam, or "marshmallows", spread across the seat and back in a lattice arrangement.

An ottoman is a piece of furniture. Generally ottomans have neither backs nor arms. They may be an upholstered low couch or a smaller cushioned seat used as a table, stool or footstool, the seat may have hinges and form a lid whereby the inside hollow used for storage of linen, magazines or other items. The smaller version is usually placed near to an armchair or sofa as part of living room decor or may be used as a fireside seat.
A sofa bed or sofa-bed is typically a sofa or couch that, underneath its seating cushions, hides a metal frame and thin mattress that can be unfolded or opened up to make a bed. A western-style futon differs from a sofabed, although sofa beds using futon mattresses are common.
A triclinium is a formal dining room in a Roman building. The word is adopted from the Greek triklinion (τρικλίνιον)—from tri- (τρι-), "three", and klinē (κλίνη), a sort of couch or rather chaise longue. Each couch was sized to accommodate a diner who reclined on their left side on cushions while some household slaves served multiple courses brought from the culina, or kitchen, and others entertained guests with music, song, or dance.

A window seat is a miniature sofa without a back, intended to fill the recess of a window. In the latter part of the 18th century, when tall narrow sash windows were almost universal, the window seat was in high favor, and was no doubt in keeping with the formalism of Georgian interiors. It differed much in decorative detail, but little in form.