IRR

IRR or Irr may refer to:

Finance Implied repo rate, in the futures market Internal rate of return, a profitability metric Iranian rial, currency of Iran by ISO 4217 code Interest rate risk, financial risk from fluctuating interest rates

Organisations Incident Response Regiment (Australia), an emergency response agency Institute of Race Relations, a policy institute Institute for Religious Research, an apologetics organization Iraqi Republic Railways, a transportation operator South African Institute of Race Relations, a think tank

Science and technology Image rejection ratio, a radio metric Interrupt Request Register, a register used for managing interrupts in programmable interrupt controllers Internet Routing Registry, a network routing database Irregular galaxy, a galaxy that does not have a distinct regular shape

Other Incidence rate ratio, a statistic derived from a Poisson regression model Individual Ready Reserve, a personnel status of the United States Military Infusion-related reaction or infusion reaction, a form of systemic inflammatory response syndrome caused by some diseases and drugs Inner Ring Road (disambiguation) Inter-rater reliability