Wikipedia
NHJ
NHJ may refer to:
- NHJ (company), a Japanese electronics manufacturer that operated between 1999 and 2005
- Nineveh-Hensley-Jackson United School Corporation, in Johnson County, Indiana
- Not happy, Jan!, an expression of displeasure
- ISO 639-3 code "nhj" for the Tlalitzlipa Nahuatl language, a Nahuatl dialect