RSU could stand for:

Universities

* Rangsit University * Riga Stradiņš University * Rogers State University * Rostov State University *

Romblon State University Romblon State University is a public higher education institution in Romblon, Philippines. It has eight satellite campuses and its main campus is located in Odiongan, Romblon. History 1914: Tracing its roots back in November 1914, during the dis ...

Student unions

Radical Students Union The Radical Students Union (RSU) was a frontal organization of the Communist Party of India (Maoist), a Naxalite group. Founded in 1974, it became defunct after 2005. In 2011 there were indications of plans to revive the organization. History ...

, a frontal organization of the Communist Party of India (Maoist), a Naxalite group *

Ryerson Students' Union The Toronto Metropolitan Students' Union (TMSU) formerly known as the Ryerson Students' Union (RSU) is the current students' union that represents full-time undergraduate students at Toronto Metropolitan University, (known until 2022 as Ryerson Un ...

, student organization at Ryerson University in Canada *Roehampton Students Union, student organization at the University of Roehampton in the UK

Other

Restricted stock unit Restricted stock, also known as restricted securities, is stock of a company that is not fully transferable (from the stock-issuing company to the person receiving the stock award) until certain conditions (restrictions) have been met. Upon satisfa ...

, a form of stock award *

Garda Regional Support Unit Armed Support Units (ASU) ( ga, Tacaiochta Faoi Arm) are specialist armed response units of the ''Garda Síochána'', the national police force of Ireland. Based in all six Garda regions in the country, Garda ASU officers carry a combination of ...

, of the Irish police *RSU, ICAO code for AeroSur (1992-2012), a defunct Bolivian airline *RSU, IATA code for Yeosu Airport in South Korea {{disambig