ko
Korean
한국어
Koreanic
Language Code
ISO 639-1 Code
ko
Common Usage
HTML lang attribute
<html lang="ko">
HTTP Accept-Language Header
Accept-Language: ko
JavaScript/TypeScript
const language = "ko"; const languageName = "Korean";
ISO 639 Standard
ISO 639-1 is the international standard for language codes. These two-letter codes are used in HTML lang attributes, HTTP headers, and i18n/l10n systems. The code "ko" represents Korean (한국어) and is part of the Koreanic language family.