IRS is the United States Internal Revenue Service, the revenue service of the U.S. federal government.
IRS, irs, or IRs may also refer to:
Arts and entertainment I.R.S. Records, an American record label "I.R.S.", a song by Guns N' Roses on their album Chinese Democracy Irwin R. Schyster, a ring name of Mike Rotunda IR$, a Franco-Belgian comics series
Avionics Inertial reference system, continuously computed dead reckoning
Economics Indian Revenue Service, the Indian taxation agency Interest rate swap, a linear interest rate derivative involving exchange of interest rates between two parties Internal Revenue Service (Ghana), the Ghanaian tax institution Imposto sobre Rendimentos Singulares (IRS), the Portuguese tax over personal income
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, a process of spraying insecticides inside residences to prevent malaria Insulin receptor substrate, a group of signaling proteins Insulin receptor substrate 1, a protein found in humans Insulin receptor substrate 2, a protein-coding gene in the species Homo sapiens Intergroup Rhabdomyosarcoma Study Group, a clinical trial cooperative group
Transportation Independent rear suspension, a form of car independent suspension International Railway Solution, the International Union of Railways leaflets International Railway Systems, a Romanian company IRS Aero, Russia IRS Airlines, Nigeria Kirsch Municipal Airport (FAA code: IRS)
Other uses International Rules Series, an international football competition Indian Remote Sensing satellite, an Earth observation satellite Indian Readership Survey, a continuous readership research study Institutionalized riot systems, an interpretative paradigm Integrated reception system, for TV and radio signals Infrared spectrum, a form of electromagnetic radiation
See also