K ok

KBPS Kilobits per second
KBPS KiloBytes Per Second

KCBIWIYWI Keep Coming Back, It Works If You Work It

KFC Kentucy Fried Chicken

KFU Kiss For You

KGB Killer Green Bud
KGB Known Good Board

KHTML Kde hypertext markup language

KHYF Know How You Feel

KIA Killed in action
KIA Know It All

KIBO Knowledge In Garbage Out
KIBO Knowledge In, Bullshit Out

KIMA Kiss My Arse

KIMB Kiss My Butt

KIQ Keep It Quiet

KIS Keep It Simple
KIS Kiss

KISS Keep It Simple Stupid

KIT Keep In Touch

KITA Kick In The Ass

KITB Kick In The Butt

KLB Known Lazy Bastard

KMAGYOYO Kiss my ass goodbye, you're on your own

KMB Kiss My Butt

KMI Key management Initiative

KMIA Kiss My Italian Ass

KMS Killing Me Softly
KMS Kilometers

KMWIH Kiss Me Where It Hurts

KMYF Kiss Me You Fool

KNIM Know What I Mean

KO Knock out

KOS Kids Over Shoulder
KOS Kill On Sight

KOTC Kiss On The Cheek

KOTG Keeper of the Grove

KOTL Kiss On The Lips

KPH Kilometers per hour

KPI Key Performance Indicator

KRA Key result area

KSA Knowledge skills and ability

KTCOOTN Keep This Crap Out Of This Newsgroup

KUTGSAWYAD Keep Up The Good Spirit And Whatever You Are Doing

KUTGW Keep Up The Good Work

KWIC Keyword in context

KWOC Keyword out of context

KWTII Know What Time it is

KWUM Know What yoU Mean

KYaNOOI Keep Your Nose Out Of It

KYB Kick Your Butt

KYFC Keep Your Fingers Crossed

KYHO Keep Your Hair On

KYHOOTW Keep Your Head Out Of The Water

KYHOOYA Keep Your Head Out Of Your Ass

KYHU Keep Your Head Up