List of things named after Felix Klein

These are things named after Felix Klein (1849–1925), a German mathematician.

Mathematics

 * Klein bottle
 * Solid Klein bottle
 * Klein configuration
 * Klein cubic threefold
 * Klein four-group
 * Klein geometry
 * Klein graphs
 * Klein's inequality
 * Klein model
 * Klein polyhedron
 * Klein surface
 * Klein quadric
 * Klein quartic
 * Kleinian group
 * Kleinian integer
 * Kleinian model
 * Kleinian ring
 * Kleinian singularity
 * Klein's icosahedral cubic surface
 * Klein's j-invariant
 * Beltrami–Klein model
 * Cayley–Klein metric
 * Clifford–Klein form
 * Schottky–Klein prime form

Other

 * Klein's Encyclopedia of Mathematical Sciences
 * The Felix Klein Protocols
 * Felix Klein medal, named after the first president of the ICMI (1908–1920), honours a lifetime achievement in mathematics education research.
 * The Klein project of the IMU and ICMI aims to produce a book for upper secondary teachers that communicates the breadth and vitality of the research discipline of mathematics and connects it to the senior secondary school curriculum.