The acronym WN may refer to:
- Wikinews, a sister project of Wikipedia
- White Nationalism
- Wisconsin Northern Railroad reporting mark
- Willesden TMD, a railway depot in north London, England
- Southwest Airlines IATA code
- WordNet, a semantic lexicon for the English language
- World Neighbors
- Chilean Spanish chat language for huevón
- White Noise
- World News
- WN postcode area, England