| K2TOG | Knit 2 Together 
| Others |
| K3D | Description of macro language (3DS)
| Others |
| K3U | Keep Three Units
| Others |
| K40 | Anvik Sea Plase Base, Alaska USA
| Others |
| K46 | Blair Municipal Airport, Blair, Nebraska
| Others |
| K4A | Karma for All
| Others |
| K4A | Knowledge4Africa
| Others |
| K5B | Chevrolet K5 Blazer
| Others |
| K5OG | Chevrolet K5 Owners Group
| Others |
| K6 | AMD 6th generation microprocessor of 1997
| Others |
| K6 | AMD Microprocessor, version 6
| Others |
| K67FS | LPTV-67, Bakersfield, California
| Others |
| K8 | Kate
| Others |
| K8E | Katie
| Others |
| k8s | kubernetes
| Others |
| K9 | Canine
| Others |
| K9H | Kyalami Nine Hours
| Others |
| K9P | Canine Pee
| Others |
| Ka | Acid Dissociation Constant
| Others |
| KA | Cathay Dragon (Used to be called Dragonair)
| Others |
| KA | IEEE Gustav Robert Kirchhoff Award
| Others |
| KA | K Above
| Others |
| KA | Kahua Association
| Others |
| KA | Kalani Addy
| Others |
| KA | Kamikaza Attack
| Others |
| KA | Kappa Alpha
| Others |
| KA | Karen Ann
| Others |
| KA | Karnataka
| State |
| KA | Katherine Alice
| Others |
| KA | Keaton Alan
| Others |
| KA | Keep Alive
| Others |
| KA | Keep All
| Others |
| KA | Keine Ahnung
| Others |
| KA | Kennel Area
| Others |
| KA | Kentucky Association
| Others |
| KA | Ketoacidosis
| Others |
| KA | Key Account
| Others |
| KA | Key Accountabilities
| Others |
| KA | Key Address
| Others |
| KA | Keyboard Assist
| Others |
| KA | Keyed Alike
| Others |
| KA | Kick A**
| Others |
| KA | Kidding Aside
| Others |
| KA | Kids to Adult
| Others |
| KA | Kids To Adults
| Others |
| KA | Kill All
| Others |
| KA | Kill Assessment
| Others |
| KA | Killer Angels
| Others |
| KA | Killer Anonymous
| Others |
| KA | Kilo Amps
| Others |