Hex

Hex or HEX may refer to:

Magic

Hex, a curse or supposed real and potentially supernaturally realized malicious wish
Hex sign, a barn decoration originating in Pennsylvania Dutch regions of the United States
Hex work, a Pennsylvania Dutch (German) folk magic system also known as pow-wow

Hex triplet, a six-digit, three-byte hexadecimal number used in computing applications to represent colors

Hex key, a tool also known as a hex wrench or Allen wrench, used to drive fasteners
Hex key, a number sign (#) key on telephones (regional term used in Singapore and Malaysia)
High-energy X-rays, sometimes abbreviated "HEX-rays"
Hexadecimal, a base-16 number system often used in computer nomenclature
Hexcentric, an item of climbing protection equipment
Heat exchanger, a device for heat transfer
Hypersonic Flight Experiment, a planned mission of the Indian Space Research Organisation
Intel HEX, a computer file format
Uranium hexafluoride, a compound used in nuclear fuel refinement

Hex, a hexagonal tile of a hex map, used in war and strategy board games
Hex (board game), a mathematical strategy game played on a hexagonal grid or rhombus
Hex (climbing), an item of rock climbing equipment used to arrest a fall
Hex (video game), a 1985 computer game for the Amiga and Atari ST
Hex: Shards of Fate, an MMO trading card game by Cryptozoic Entertainment
Hex – The Legend of the Towers, a Vekoma Madhouse ride at the Alton Towers Resort, England
The Hexagonal (CONCACAF), final round of FIFA World Cup qualifiers for North America, Central America, and the Caribbean
Hex, pseudonym of the puzzle writers Emily Cox and Henry Rathvon
The Hex, a 2018 computer game by the creator of Pony Island

Hex (1998 novel), a dystopian novel for young adults by Rhiannon Lassiter
Hex, a 2011 science fiction novel by Allen Steele
HEX (2013 novel), a Dutch horror novel by Thomas Olde Heuvelt, published in English in 2016

Hex (Ben 10), a villain in the Ben 10 franchise
Hex (Discworld), a computer in Terry Pratchett's Discworld novels
Hex Schofield, a companion of the Seventh Doctor in a series of Doctor Who audio plays
Hex, an illusionist and escapologist in the Marvel Comics series ClanDestine
Hex, an undead dark elf necromancer in the Netflix animated series Skylanders Academy
HEX, an evil organization in the novel InterWorld
Jonah Hex, a DC Comics character
The Hex Girls, a fictitious musical group in the Scooby-Doo franchise

HEX, in WandaVision is a nickname for the city of Westview
Hex (1973 film), a 1973 film starring Keith Carradine, Gary Busey, Dan Haggerty, and Hillarie Thompson
Hex, a 1980 Hong Kong film directed by Kuei Chih-Hung
Hex (2015 film), a 2015 film directed by Clarence Peters
Hex, a 2018 film directed by Rudolf Buitendach
Hex (musical), a 2021 musical based on the Charles Perrault version of Sleeping Beauty
Hex (TV series), a 2004–2005 supernatural/horror drama on British television
Jonah Hex (film), a 2010 film based on a DC Comics character
Mr. Hex, a 1946 Bowery Boys comedy film
Stephanie Bendixsen (born 1985), presenter for Australian TV show Good Game, known by the gamertag Hex

Hex, an indie rock duo formed in 1988 by Steve Kilbey and Donnette Thayer
Hex (VJ group), a British-based multimedia group active in the 1990s which later became Hexstatic
Hex Hector (born 1965), American dance remixer