Rank is the relative position, value, worth, complexity, power, importance, authority, level, etc. of a person or object within a ranking, such as:

Level or position in a hierarchical organization

* Academic rank * Diplomatic rank * Hierarchy * Hierarchy of the Catholic Church * Military rank * Police ranks of the United States * Ranking member, [US politics] the most senior member of a committee from the minority party, and thus second-most senior member of a committee * Imperial, royal and noble ranks

Level or position in society

*Social class *Social position *Social status

Places

* Rank, Iran, a village * Rank, Nepal, a village development committee

People

* Rank (surname), a list of people with the name

Arts, entertainment, and media

Music

* Rank (album), ''Rank'' (album), a live album by the Smiths * "Rank", a song by Artwork from ''A Bugged Out Mix (Miss Kittin album), A Bugged Out Mix''

Other arts, entertainment, and media

* Rank (chess), a row of the chessboard * Rank (film), ''Rank'' (film), a short film directed by David Yates * Rank, a set of pipes in a pipe organ

Brands and enterprises

* Rank Group Limited, an investment company owned by Graeme Hart * The Rank Group plc, European gaming and leisure business ** The Rank Organisation, a British entertainment company formed in 1937, now part of the Rank Group

Computing and technology

* Rank (computer programming) ** Rank (J programming language) * Memory rank, or ranking, of computer memory, a set of DRAM chips connected to the same chip select, and which are able to be accessed simultaneously

Mathematics

* Rank (differential topology) * Rank (graph theory) * Rank (linear algebra), the dimension of the vector space generated (or spanned) by a matrix's columns * Rank (set theory) * Rank (type theory) * Rank of an abelian group, the cardinality of a maximal linearly independent subset * Rank of a free module * Rank of a greedoid, the maximal size of a feasible set * Rank of a group, the smallest cardinality of a generating set for the group * Rank of a Lie group – see Cartan subgroup * Rank of a matroid, the maximal size of an independent set * Rank of a partition, at least two definitions in number theory * Rank of a tensor * Rank of a vector bundle * Rank statistics

Science

* RANK, Receptor Activator of Nuclear Factor κ B, a type I membrane protein * Taxonomic rank, in biology (species, genus, family, etc.)

Other uses

* Rank (formation), a line of soldiers standing abreast * Rank, a Coal assay#Coal classification by rank, grade of coal