Hash

Hash may refer to:

• Hash symbol, the glyph #
• Hash mark (disambiguation), one of various symbols
• Hash (food), a coarse mixture of ingredients
• Hash chain, a method of producing many one-time keys from a single key or password
• Hash function, a derivation of data
  • Cryptographic hash function
• Hash table, a data structure
• hash (Unix), an operating system command
• Hashish, a psychoactive drug
• Hash House Harriers, a running club
• Fragment identifier, in computer hypertext, a string of characters that refers to a subordinate resource
• Geohash, a spatial data structure which subdivides space into buckets of grid shape