| K&C | Kinematics and Compliance 
| Others |
| K.C. | King's Counsel
| Others |
| K.C. | Knights of Columbus
| Others |
| KC | Kaiser Corp
| Others |
| KC | Kala Caand
| Others |
| KC | Kalayaan Centre
| Others |
| KC | Kalvin Clein
| Others |
| KC | Kamala Consuelo
| Others |
| KC | Kansas Cajun
| Others |
| KC | Kansas City
| Others |
| KC | Kansas City Chiefs
| Others |
| KC | Kansas City Field Office
| Others |
| KC | Kansas City Royals
| Others |
| KC | Karin Christmas
| Others |
| KC | Karisas Cat
| Others |
| KC | Karl Carman
| Others |
| KC | Karoo Communications
| Others |
| KC | Kate's Cat
| Others |
| KC | Katherine Calhoun
| Others |
| KC | Katherine Cecilia
| Others |
| KC | Katherine Claire
| Others |
| KC | Katherine Cody
| Others |
| KC | Katherine Corinne
| Others |
| KC | Katherine Crane
| Others |
| KC | Kathryn Camille
| Others |
| KC | Kathryn Cheryl
| Others |
| KC | Kati Cupcake
| Others |
| KC | Katie Catherine
| Others |
| KC | Katong Convent
| Others |
| KC | Kawai Community
| Others |
| KC | KC can
| Others |
| KC | Keep Cool
| Others |
| KC | Keine Chance
| Others |
| KC | Kelly Cassandra
| Others |
| KC | Kelly's Cat
| Others |
| KC | Kelsey Creek
| Others |
| KC | Ken Climo, golfer
| Others |
| KC | Kennel Club
| Others |
| KC | Kenneth Charles
| Others |
| KC | Kenneth Cole
| Others |
| KC | Kenny Chesney
| Others |
| KC | Kern County
| Others |
| KC | Kernel Cache
| Others |
| KC | Kerry Collins
| Others |
| KC | Keuka College
| Others |
| KC | Kevin Charles
| Others |
| KC | Kevin Christopher
| Others |
| KC | Kevin Colbert
| Others |
| KC | Kevin Cole, Pianist
| Others |
| KC | Kevin Costner
| Others |
| KC | Key Characteristic
| Others |
| KC | Key Check
| Others |
| KC | Key Code
| Others |
| KC | Key Conversion
| Others |
| KC | Keys Canine
| Others |
| KC | Keystone Center
| Others |
| KC | Keystone Countryboy
| Others |
| KC | Keyword Competition
| Others |
| KC | Keyword Competitiveness
| Others |
| KC | Khmer Communists
| Others |
| KC | Khmer Connection
| Others |
| KC | Khoze Chapovsky
| Others |
| KC | Kiddie Cone
| Others |
| KC | Kiddie Corral
| Others |
| KC | Kidney Cell
| Others |
| KC | Kids Counselors
| Others |
| KC | Kids Count
| Others |
| KC | Kill Corruption
| Others |
| KC | Killer Cat
| Others |
| KC | Killer Cute
| Others |
| KC | KiloCycle (now called KiloHertz)
| Others |
| KC | KiloCycles (superseded by Kilohertz)
| Others |
| KC | Kim Christian
| Others |
| KC | Kimberly's Cat
| Others |
| KC | Kind Caring
| Others |
| KC | Kind Child
| Others |
| KC | Kind Critter
| Others |
| KC | Kinda Confusing
| Others |
| KC | Kindness Caring
| Others |
| KC | Kindness Compassion
| Others |
| KC | King Cake
| Others |
| KC | King Caramel
| Others |
| KC | King Charles
| Others |
| KC | King Crimson
| Others |
| KC | King Critter
| Others |
| KC | King of Clubs
| Others |
| KC | King's College
| Others |
| KC | King's County
| Others |
| KC | Kingdom Come
| Others |
| KC | Kings County
| Others |
| KC | Kingston College
| Others |
| KC | Kingston Communications
| Others |
| KC | Kirk Currie
| Others |
| KC | Kismat Connection
| Others |
| KC | Kit Cat
| Others |
| KC | Kitchen Crips
| Others |
| KC | Kitchen Culture
| Others |
| KC | Kite Chaser
| Others |
| KC | Kitti Cat
| Others |
| KC | Kitty Cat
| Others |
| KC | Kitty Cow
| Others |
| KC | Knight Commander
| Others |
| KC | Knight of Charisma
| Others |
| KC | Knitting Circle
| Others |
| KC | Knowledge Center
| Others |
| KC | Knowledge Construction
| Others |
| KC | Known Character
| Others |
| KC | Knuckles Chaotix
| Others |
| KC | Kook Case
| Others |
| KC | Krazy Canine
| Others |
| KC | Krazy Cono
| Others |
| KC | Krazy Kat
| Others |
| KC | Krishna Consciousness
| Others |
| KC | Kristen Carole
| Others |
| KC | Kristen Carson
| Others |
| KC | Kristin Courtney
| Others |
| KC | Kubec The Clowns
| Others |
| KC | Kylee Calvert
| Others |