| Internal Rate Of Return |
International Business |
IRR |
| Ionising Radiation Regulations |
Police |
IRR |
| Information Request Response |
Business |
IRR |
| Iranian Rial |
Currency |
IRR |
| Infra Red Resistant |
NASA |
IRR |
| Inspection Rejection Report |
Space Science |
IRR |
| Integral Rocket Ramjet |
Space Science |
IRR |
| Institute for Religious Research |
Other |
IRR |
| Institute of Race Relations |
Other |
IRR |
| integrated radio room, 5 |
Government |
IRR |
| Integrated Radio Room |
Military |
IRR |
| initial requirements review |
Government |
IRR |
| Integrated Readiness Report |
Military and Defence |
IRR |
| Internet Routing Registry |
Internet |
IRR |
| Individual Ready Reserve |
Military |
IRR |
| Voya Natural Resources Equity Income Fund |
NASDAQ Symbol |
IRR |
