ISU
# ISU

ISU may refer to:

## Schools

### United States

* Idaho State University, Pocatello, Idaho
* Illinois State University, Normal, Illinois
* Illinois State University (Springfield, Illinois)
* Indiana State University, Terre Haute, Indiana
* Iowa State University, Ames, Iowa

### Elsewhere

* I-Shou University, Kaohsiung, Taiwan
* Ifugao State University, in the Philippines
* Ilia State University, in Tbilisi, Georgia
* Imo State University
* Ingush State University, in Magas, Republic of Ingushetia
* International School of Uganda, Kampala, Uganda
* International School of Ulaanbaatar, Mongolia
* International Solomon University, in Ukraine
* International Space University, Illkirch-Graffenstaden, France
* Irkutsk State University, in Eastern Siberia

## Organizations

* ISU (trade union), British trade union formerly known as the Immigration Service Union
* Integrated Security Unit, in Canada
* Internal Security Unit, the counter-intelligence unit of the Provisional Irish Republican Army (IRA)
* International Seamen's Union
* International Skating Union

## Other

* Italian Service Units, Italian prisoner of war army units that served on the Allied side during World War II
* ISU (singer)
* Isu language (Bantu), also called Suwu or Subu, a Bantu language of Cameroon
* Isu language, a Grassfields Bantu language of Cameroon
* Isu, Nigeria, a local government area of Imo State
* Isu people, an ethnic group in Nigeria
* Isu station, on the Seoul Metropolitan Subway
* ISU-152, ISU-122, Soviet self-propelled guns
* SAP IS-U, Industry Specific Solution for Utilities
* International System of Units, the SI system
* ISU, the IATA airport code for Sulaimaniyah International Airport, Iraq
