| K | Cathode 
| Others |
| K | Contract
| Others |
| K | Direction To Proceed
| Others |
| K | Electromechanical Relay
| Others |
| K | Kaiser
| Others |
| K | Karate
| Others |
| K | Karel
| Others |
| K | Kat
| Others |
| K | Kathleen
| Others |
| K | Kathmandu
| Others |
| K | Kay
| Others |
| K | Keepin
| Others |
| K | Kelang
| Others |
| K | Kellogg Company
| Others |
| K | Kelly
| Others |
| K | Kelvin
| Others |
| K | Kenna
| Others |
| K | Kenneth
| Others |
| K | Kenshin
| Others |
| K | Keratometer (or numerical reading therefrom)
| Others |
| K | Kernel
| Others |
| K | Kerotin
| Others |
| K | Kerry
| Others |
| K | Ketamine
| Others |
| K | Kevin
| Others |
| K | Key
| Others |
| K | Kick
| Others |
| K | Kicker
| Others |
| K | Kicks
| Others |
| K | Kidnapping
| Others |
| K | Kids
| Others |
| K | Kill
| Others |
| K | Killed
| Others |
| K | Killian
| Others |
| K | Killjoy
| Others |
| K | Kilo
| Measurement Unit |
| k | kilo (1000)
| Others |
| K | Kilo- (1,000)
| Others |
| K | Kilobyte (1024 bytes)
| Others |
| K | Kilohertz
| Others |
| K | Kinda
| Others |
| K | Kindergarten
| Others |
| K | King
| Others |
| K | Kinko's
| Others |
| K | Kinship
| Others |
| K | Kirk
| Others |
| K | Kitchen
| Others |
| K | Klang
| Others |
| K | Klynveld
| Others |
| K | Knife
| Others |
| K | Knit
| Others |
| K | Know
| Others |
| K | Knowledge
| Others |
| K | Koln
| Others |
| K | Komutan
| Others |
| K | Konspiracy
| Others |
| K | Konstante
| Others |
| K | Kookazoid
| Others |
| K | Kool
| Others |
| K | Kopkit
| Others |
| K | Kosher
| Others |
| K | Kraft
| Others |
| K | Krazy
| Others |
| K | Kreosote
| Others |
| K | Kristos
| Others |
| K | Kuality
| Others |
| K | Kurt
| Others |
| K | Kurtz
| Others |
| K | Kuzey
| Others |
| K | Kvetch
| Others |
| K | Okay
| Slang |
| K | Permeability factor
| Others |
| K | Potassium
| Element |
| K | Strikeout
| Others |
| K | The Katoomba
| Others |
| K | The Keshas
| Others |
| K | the Kth item
| Others |
| K | Thousand
| Measurement Unit |
| K | Thousands of ...
| Others |