ONU
# ONU

ONU may refer to:

* United Nations in other languages, e.g. French Organisation des Nations Unies and Arabic: منظمة الأمم المتحدة
* Olivet Nazarene University
* Ohio Northern University
* Optical Network Unit, the IEEE term for Optical Network Terminal
* Order of Nunavut
* Organizacion de Narcotraficantes Unidos, a Puerto Rican criminal organization
