| Acronym | Definition |
|---|
| KA➣Knowledge Area |
| KA➣Kick Ass |
| KA➣Kamov (Russian aircraft designer) |
| KA➣Kappa Alpha |
| KA➣Kilmarnock (postcode, United Kingdom) |
| KA➣Keine Ahnung (German: No Idea) |
| KA➣Kahr Arms (Orangetown, NY) |
| KA➣Key Account |
| KA➣Thousand Years Ago |
| KA➣Keep Alive |
| KA➣Knowledge Acquisition |
| KA➣Kool Aid |
| KA➣Dragonair (Hong Kong airline company) |
| KA➣Keyed Alike (locksmithing) |
| KA➣Knee Airbag (automobiles) |
| KA➣Kenya Airways |
| KA➣Kainate |
| KA➣Karlsruhe, Germany (automobilie license plate) |
| KA➣Ketoacid |
| KA➣Kainic Acid |
| KA➣Keine Angabe (German) |
| KA➣Killer App |
| KA➣Kenmore Air |
| KA➣Key Area |
| KA➣Key Activities |
| KA➣Keratoacanthoma |
| KA➣Acid Dissociation Constant |
| KA➣King's Army (historic reenactment group) |
| KA➣Ionization Constant |
| KA➣Karlovac, Croatia (license plate) |
| KA➣Knowledge Architecture |
| KA➣Kids to Adults (former ESRB game rating) |
| KA➣Kristina Abernathy (Weather Channel personality) |
| KA➣Kissinger Associates |
| KA➣Kilo-Amperes |
| KA➣Known Associate (law enforcement) |
| KA➣Knife Arena (gaming) |
| KA➣Kill Assessment |
| KA➣Kelvinside Academy (Glasgow, Scotland private school) |
| KA➣Katholieke Actie (Dutch) |
| KA➣Kaiserslautern American |
| KA➣Kalos Agon (martial arts) |
| KA➣Kepler Associates (UK) |
| KA➣Acid Constant |
| KA➣Ketamine and Atropine |
| KA➣Knight Ascension (Knight Online game expansion) |
| KA➣Kirov Airship |
| KA➣Karma Aquatics (Virginia Beach, VA) |
| KA➣Kaiser Engineering Inc |
Ka - unknown god; an epithet of Prajapati and Brahma