ISO 639-1
nn Norwegian Nynorsk
· filed 2026-07-18 · click a code to copy
Norwegian Nynorsk carries the ISO 639-1 two-letter code nn.
In practice this code appears in HTML (<html lang="nn">), HTTP Accept-Language headers, locale identifiers such as nn-XX, subtitle tracks and translation files — anywhere software needs to say “this content is in Norwegian Nynorsk”.