Hooking, a computer programming techniqueHook echo, a feature visible on radar indicative of tornadic rotation in a thunderstormTailhook, a device on an aircraft
Language
Hook (rhetoric), a rhetorical device that "hooks" the listenerHook above, a diacritical mark above letters in the Vietnamese alphabetHook (diacritic), a diacritical mark attached to letters in various alphabets
Palatal hook, a hook attached below curled to the leftNarrative hook, a literary techniqueRhotic hook, a diacritical mark attached to symbols in the International phonetic alphabet.
Media and entertainment
Hook (music), a catchy musical passage"Hook" (song), a song by Blues TravelerThe Hook (album), an album by Jukka TolonenHook (film), a 1991 fantasy continuation of J. M. Barrie's Peter and WendyHook (video game), four video games based on the filmThe Hook (film), several filmsHook (Transformers), several characters in the Transformers universeHooksoft, a Japanese visual novel studioThe Hook, a classic urban legendThe Hook (newspaper), a weekly Virginia newspaperCaptain Hook, a fictional pirate in J. M. Barrie's Peter and Wendy
Places
Hook Lighthouse, IrelandHook, New ZealandHook River, New ZealandHook of Holland, the Netherlands
United Kingdom
Hook, East Riding of YorkshireHook, Hart, north HampshireHook, Fareham, south HampshireHook, LondonHook, PembrokeshireHook, Wiltshire
Sports
Hook (boxing), a boxing punchHook (bowling), a curving ballHooking (ice hockey), a penaltyHook shot, a type of shot in basketballHook shot, a type of misplayed shot in golf stroke mechanicsCurveball, a type of baseball pitch
Tools, hardware, and fasteners
Cabin hook, a hooked bar that engages into an eye screw, used on doorsCargo hook (helicopter), different types of hook systems for helicoptersFish hook, a device used to catch fishFlesh-hook, a device used in cooking meatGrappling hook, a hook attached to a rope, designed to be thrown and snagged on a targetHook (hand tool), also known as longshoreman's hook and bale hook, a tool used for securing and moving loadsHook-and-eye closure, a clothing fastenerLifting hook, a device for grabbing and lifting loadsPurse hook, a hook used to keep a woman's purse from touching the floorShepherd's hook (or crook), a staff used in herding sheep or other animalsSiege hook, a weapon used to pull stones from a wall during a siegeHook-and-loop fastener, used in Velcro
Other
Battle of the Hook, Korean warTelephone hook, a cradle on which a telephone handset restsProsthetic hook or transradial prosthesis, part of a prosthetic arm for amputeesBondage hook, a device used in sexual bondage playAbu Hamza al-Masri, a Sunni Muslim leader known as "Hook" in the British tabloid pressMil Mi-6, a Soviet/Russian heavy transport helicopter nicknamed "Hook"