Ka

• K.A. (Kohntarkosz Anteria), a 2004 album by Magma • KA (film), a 2024 Indian Telugu-language crime thriller film directed by the duo Sujith and Sandeep • Kà, a Cirque du Soleil show • Ka (Dark Tower), a plot element in Stephen King's Dark Tower series • Mister Mosquito, a 2001 video game, known in Japan as Ka ==Businesses and organizations==

• Kappa Alpha Order, a fraternity founded in 1865 at Washington and Lee • Kappa Alpha Society, a fraternity founded in 1825 at Union College • Karenni Army, a Burmese guerilla organization • Knattspyrnufélag Akureyrar, an Icelandic football club • Kuklos Adelphon, an 1800s-era Southern fraternity • Khan Academy, a non-profit educational organization • King's Arms, Oxford, a pub known as the KA ==Language==

Languages • Ka, a variety of the Central Banda language • Georgian language, by ISO 639-1 code Characters • Ka (Cyrillic), a letter in the Cyrillic script • Ka (Indic), a group of related glyphs from the Brahmic family of scripts • Devanagari ka, a letter in the Devanagari script • Ka (Javanese) (ꦏ), a letter in the Javanese script • Ka (kana), a syllabic grapheme in the Japanese katakana and hiragana scripts ==People==

• Ka (pharaoh) (fl. c. thirty-second century B.C.), Predynastic pharaoh of Upper Egypt • Ka (rapper) (1972–2024), performer ==Places==

• Ka Farm, Østre Toten, Norway; see List of short place names • Ka Island (Ka-to), North Korea • Ka Lae, Hawaii, southernmost point in the fifty United States • KA postcode area, Scotland • Ka River, Nigeria • Karlsruhe, Germany (e.g. code used on German vehicle registration plates) • Karnataka, India ==Science and technology==

• Ka, an acid dissociation constant • Ka band, a microwave band • Ka, the absorption rate constant of a drug • Ka, number of non-synonymous substitutions at a DNA site, used in Ka/Ks ratio • Ka tree, Terminalia carolinensis • kiloannum or kiloannus (ka), a unit of time equal to one thousand (103) years • Keepalive, a computer network message • Kiloampere (kA), a unit of electric current ==Transport==

• Ford Ka, a car • NZR KA class, a New Zealand steam locomotive • KA, IATA code of Aero Nomad Airlines, a Kyrgyz airline • KA, then IATA code of Cathay Dragon, formerly Dragonair • Kenya Airways • Code for products of Kamov, a Russian rotorcraft manufacturing company == Other uses ==

• Ka (Bengali), a consonant character • Ka (cuneiform) • Ka or kꜣ, "double" or "vital essence", an Ancient Egyptian concept of the soul or spirit • Knight or Dame of St Andrew, a Barbadian award • Kingda Ka, a former roller coaster at Six Flags Great Adventure • KA, a carbonated drink produced by the company A.G. Barr