IRS (disambiguation)

IRS is the United States Internal Revenue Service.

IRS may also refer to:

Arts and entertainment

 * I.R.S. Records
 * "I.R.S.", a song by Guns N' Roses on their album Chinese Democracy
 * Irwin R. Schyster, wrestler Mike Rotunda
 * IR$, Franco-Belgian comics

Economics

 * Indian Revenue Service
 * Interest rate swap
 * Internal Revenue Service (Ghana)

Organisations

 * Independence Republic of Sardinia, a political party, Italy
 * Leibniz Institute for Research on Society and Space, of the Leibniz Association

Medicine

 * Indoor residual spraying of insecticide
 * Insulin receptor substrate, a ligand
 * Intergroup Rhabdomyosarcoma Study Group

Transportation

 * Independent rear suspension, a form of car independent suspension
 * International Railway Solution, International Union of Railways leaflets
 * International Railway Systems, a Romanian company
 * IRS Airlines, Nigeria

Other uses

 * International Rules Series, Australia–Ireland football competition
 * Indian Remote Sensing satellite
 * Indian Readership Survey
 * Integrated reception system, for broadcast signals
 * Institutionalized Riot Systems