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
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 Aero, Russia
- IRS Airlines, Nigeria
- Kirsch Municipal Airport, FAA identifier IRS
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
This disambiguation page lists articles associated with the title IRS.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: