Klein may refer to:

People

Klein (surname) Klein is the Dutch, German and Afrikaans word for "small", which came to be used as a surname, and thence passed into the names of places, concepts and discoveries associated with bearers of this surname. It is also a common Jewish surname in the ...

Klein (musician) Klein is a singer-songwriter and producer from South London, England. She released the EP ''Tommy'' on UK label Hyperdub in 2017 and has received praise for her albums '' Lifetime'' (2019) and ''Frozen'' (2020) on her record label ijn inc. Biog ...

Places

Klein (crater) Oblique view from Apollo 14 Klein is a lunar impact crater that is located across the western rim of the larger crater Albategnius, in the central highlands region of the Moon. The crater is named after German astronomer Hermann Joseph Klein. ...

, a lunar feature *

Klein, Montana Klein is a census-designated place (CDP) in Musselshell County, Montana, United States. The population was 188 at the 2000 census. Geography Klein is located at (46.402844, -108.548378). According to the United States Census Bureau, the CDP ha ...

, United States *

Klein, Texas Klein is an unincorporated community in Harris County, Texas, United States, roughly bordering Texas State Highway 99 to the north, Texas State Highway 249 to the west, Interstate 45 to the east, and the city of Houston to the south. It includes ...

, United States *

Klein (Ohm) Klein is a river of Hesse, Germany. It flows into the Ohm near Amöneburg. See also *List of rivers of Hesse A list of rivers of Hesse, Germany: A *Aar, tributary of the Dill *Aar, tributary of the Lahn *Aar, tributary of the Twiste * Aarbac ...

, a river of Hesse, Germany, tributary of the Ohm *

Klein River Klein River is a river in the Western Cape province of South Africa. The river mouth is located at Hermanus. Its tributaries include the Karringmelk River. It falls within the Drainage system G. See also

* List of rivers of South Africa ...

, a river in the Western Cape province of South Africa

Business

Klein Bikes Klein was a bicycle company founded by Gary Klein that pioneered the use of large diameter aluminium alloy tubes for greater stiffness and lower weight. Klein produced his first bicycle frames while a student at the Massachusetts Institute of ...

, a bicycle manufacturer *

Klein Tools Klein Tools is an American company based in Lincolnshire, IL that manufactures hand tools. The company is known for its popularity with workers in the electrical and telecommunications industries. Lineman's pliers in the past were often called ...

, a manufacturer *

S. Klein S. Klein On The Square, or simply S. Klein, was a popular-priced department store chain based in New York City. The flagship stores (a main building and a women's fashion building) were located along Union Square East in Manhattan; this lo ...

, a department store *

Klein Modellbahn Klein Modellbahn was an Austrian model railway manufacturer. The company was founded in 1984 in Vienna. It closed the production in 2008 and the sales in 2010. Their product line consisted of mostly Austrian rolling stock and locomotives in H0 sca ...

, an Austrian model railway manufacturer

Arts

Klein + M.B.O. Klein may refer to: People *Klein (surname) * Klein (musician) Places *Klein (crater), a lunar feature * Klein, Montana, United States *Klein, Texas, United States * Klein (Ohm), a river of Hesse, Germany, tributary of the Ohm * Klein River, a r ...

, an Italian musical group * Klein Award, for comic art *

Yves Klein Yves Klein (; 28 April 1928 – 6 June 1962) was a French artist and an important figure in post-war European art. He was a leading member of the French artistic movement of Nouveau réalisme founded in 1960 by art critic Pierre Restany. Klein w ...

, French artist

Mathematics

Klein bottle In topology, a branch of mathematics, the Klein bottle () is an example of a non-orientable surface; it is a two-dimensional manifold against which a system for determining a normal vector cannot be consistently defined. Informally, it is a o ...

, an unusual shape in topology *

Klein geometry In mathematics, a Klein geometry is a type of geometry motivated by Felix Klein in his influential Erlangen program. More specifically, it is a homogeneous space ''X'' together with a transitive action on ''X'' by a Lie group ''G'', which acts as t ...

Klein configuration In geometry, the Klein configuration, studied by , is a geometric configuration related to Kummer surface In algebraic geometry, a Kummer quartic surface, first studied by , is an irreducible nodal surface of degree 4 in \mathbb^3 with the ma ...

, in geometry * Klein cubic (disambiguation) *

Klein graphs In the mathematical field of graph theory, the Klein graphs are two different but related regular graphs, each with 84 edges. Each can be embedded in the orientable surface of genus 3, in which they form dual graphs. The cubic Klein graph This i ...

, in graph theory *

Klein model Klein may refer to: People *Klein (surname) *Klein (musician) Places *Klein (crater), a lunar feature *Klein, Montana, United States *Klein, Texas, United States *Klein (Ohm), a river of Hesse, Germany, tributary of the Ohm *Klein River, a river ...

, or Beltrami–Klein model, a model of hyperbolic geometry *

Klein polyhedron In the geometry of numbers, the Klein polyhedron, named after Felix Klein, is used to generalize the concept of continued fractions to higher dimensions. Definition Let \textstyle C be a closed simplicial cone in Euclidean space \textstyle \ma ...

, a generalization of continued fractions to higher dimensions, in the geometry of numbers *

Klein surface In mathematics, a Klein surface is a dianalytic manifold of complex dimension 1. Klein surfaces may have a boundary and need not be orientable. Klein surfaces generalize Riemann surfaces. While the latter are used to study algebraic curves over ...

, a dianalytic manifold of complex dimension 1

Other uses

* Kleins,

Lineman's pliers Lineman's pliers (US English), Kleins (genericized trademark, US usage), linesman pliers (Canadian English), side cutting linesman pliers and combination pliers (UK / US English) are a type of pliers used by linemen, electricians, and other tradesm ...

, a hand tool used by electricians and others *

Klein Technique Klein may refer to: People *Klein (surname) *Klein (musician) Places * Klein (crater), a lunar feature * Klein, Montana, United States *Klein, Texas, United States *Klein (Ohm), a river of Hesse, Germany, tributary of the Ohm *Klein River, a riv ...

, a movement/dance technique developed by Susan Klein and studied by

Garry Stewart Garry Stewart (born 1962) is an Australian dancer and choreographer. He was the longest-serving artistic director of the Australian Dance Theatre, taking over from Meryl Tankard in 1999 and finishing his term at the end of 2021. He is renowne ...