RSU

RSU may refer to:

Universities

 * Rangsit University, Pathum Thani, Thailand
 * Riga Stradiņš University, Latvia
 * Rivers State University, Nigeria
 * Rogers State University, Oklahoma, United States
 * Rostov State University, Russia
 * Romblon State University, Philippines

Student unions

 * Radical Students Union, a frontal organization of the Communist Party of India (Maoist), a Naxalite group
 * Ryerson Students' Union, student organization at Ryerson University in Canada
 * Roehampton Students Union, student organization at the University of Roehampton in the UK

Other

 * Regional school unit, a type of school district in Maine, United States
 * Restricted stock unit, a form of stock award
 * Garda Regional Support Unit, of the Irish police
 * Rough Sleepers Unit, a former UK government programme; see Rough Sleepers Initiative § Rough Sleepers Unit (RSU)
 * RSU, ICAO code for AeroSur (1992-2012), a defunct Bolivian airline
 * RSU, IATA code for Yeosu Airport in South Korea