Klein may refer to:

People

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), 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, 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, a bicycle manufacturer * Klein Tools, a manufacturer * S. Klein, 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., an Italian musical group *

Klein Award The MoCCA Arts Festival, or MoCCA Fest, is an independent comics showcase that typically includes artist booths, slide shows, and educational panels. It was created by the Museum of Comic and Cartoon Art in 2002 by bringing together over 2,000 ar ...

, for comic art * Yves Klein, 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 * Klein configuration, in geometry *

Klein cubic (disambiguation) Klein cubic can refer to: * Klein cubic surface *Klein cubic threefold In algebraic geometry, the Klein cubic threefold is the non-singular cubic threefold in 4-dimensional projective space given by the equation :V^2W+W^2X+X^2Y+Y^2Z+Z^2V =0 \, s ...

* Klein graphs, in graph theory * Klein model, or Beltrami–Klein model, a model of hyperbolic geometry * Klein polyhedron, a generalization of continued fractions to higher dimensions, in the geometry of numbers * Klein surface, a dianalytic manifold of complex dimension 1

Other uses

* Kleins, Lineman's pliers, a hand tool used by electricians and others * Klein Technique, a movement/dance technique developed by Susan Klein and studied by Garry Stewart