KAIST : Korean Advanced Institute of Science and Technology 한국과학기술원
KAPS : Korea Animal Protection Society 한국동물보호협회
KATUSA : Korean Augmentation to The U.S,Army 카튜사
KBA : Korea Baseball Association 대한야구협회
KBO : Korea Baseball Organization 한국야구위원회
KBS : Korean Broadcast System 한국방송공사
KCRP : Korean Conference on Religion and Peace 한국 종교인 평화회의
KDB : Korea Development Bank 한국산업은행
KDI : Korea Development Institute 한국산업개발연구원
KEF : Korea Employers Federation 경영자총연맹
KEPCo : Korea Electric Power Corporation 한국전력주식회사
KFB : Korea First Bank 제일은행
KFDA : Korean Food and Drug Administration 식품의약품안전관리본부
KFSB : Korean Federation of Small Business 중소기업협동조합
KFTA : The Korea Foreign Trade Association 무역협회
KHIC : Korea Heavy Industry and Construction 한국중공업
KHRC : K. High-speed Rail Construction Authorities 고속철도건설공단
KIET : Korea Institute for Industrial Economics and Trade 산업연구원
KIMM : Korean Institute for Machinery and Metals 한국기계금속연구
KIST : Korea Institute of Science and Technology 한국과학기술원
KMA : Korea Management Association 한국경영협회
KMA : Korea Military Academy 한국육군사관학교
KMA : Korean Meteorological Administration 기상청
KNPA : Korea National Park Authority 국립공원관리당국
KNR : Korean National Railroad 철도청
KNRC : Korean National Red Cross 대한적십자사
KNTO : Korea National Tourist Organization 한국관광공사
KO : Knock Out 녹아웃
KODC : Korea Oil Development Corp. 석유개발공사
KOWIN : Korea Women's International Network 세계 한민족 여성 네트워크
KRRI : Korea Railroad Research Institute 한국철도기술연구원
KPC : Korea Productivity Center 한국생산성본부
KPPEC : Korea Public Performance Ethics Committee 공연윤리위원회
KST : Korean Standard Time 한국표준시간
KT&G : Korean Tabasco & Ginseng 한국담배인삼공사