Ranks

Rank refers to the relative position, value, worth, complexity, power, importance, authority, level etc. of a person or object, including:
 * Rank (chess), a row of the chessboard
 * Rank of pipes in a pipe organ
 * Taxicab stand or taxi rank, a designated area for taxi-cabs to queue up whilst waiting for passengers
 * Rank (formation) Military term for a line of soldiers
 * Rank of a playing card, typically one of { ace, 2, 3, 4, 5, 6, 7, 8, 9, 10, jack, queen, king }
 * A level within a ranking
 * A level within a taxonomic hierarchy
 * Taxonomic rank in biology (species, genus, family, etc.)

An achieved level of performance or credential

 * Academic rank
 * Social class or social rank
 * Dan (rank), a Japanese mark of level, used in modern fine arts and martial arts
 * Go ranks and ratings, skill in the traditional board game Go
 * See Video game journalism for video game rank
 * Diplomatic rank

Position within a command hierarchy requiring obedience

 * Military rank
 * Police rank
 * Fire service rank
 * Nobility, ranks of nobility and peerage
 * Catholic Church hierarchy

Mathematics

 * Rank (linear algebra), rank of a matrix
 * Rank of a tensor
 * Rank of a Vector bundle
 * Rank of an abelian group
 * See Cartan subgroup for rank of a Lie group
 * Rank (set theory)
 * Rank (graph theory)
 * Rank (differential topology)
 * Rank-into-rank
 * Rank of a matroid, the maximal size of an independent set
 * Rank of a greedoid, the maximal size of a feasible set
 * Rank of a free module
 * Ranking where values are replaced by their ranking when the data are sorted.
 * Rank test (disambiguation)
 * Mean reciprocal rank
 * Ranking chart
 * Rank (computer programming)
 * Rank (J programming language)
 * Rank (type theory)
 * PageRank, assigns a numerical weighting to each element of a hyperlinked set of documents
 * CheiRank, a variant of PageRank
 * TrustRank, semi-automatically separates useful webpages from spam

People named Rank

 * J. Arthur Rank, 1st Baron Rank (1888–1972), British industrialist and film producer
 * Otto Rank (1884–1939), Austrian psychoanalyst, writer, teacher and therapist

Places

 * Rank, Nepal

Others

 * RANK, Receptor Activator of Nuclear Factor κ B, a type I membrane protein
 * The Rank Group plc, European gaming and leisure business
 * Rank Organisation, a British entertainment company formed in 1937, now part of The Rank Group
 * Rank Hovis McDougall, a former United Kingdom food business
 * Rank Group Limited, an investment company owned by Graeme Hart
 * Rank (album), a live album by The Smiths
 * "Rank", a song by Artwork from A Bugged Out Mix
 * Rank (film), a short film directed by David Yates