KIR
| Acronym | Definition |
|---|---|
| KIR | Kiribati (ISO Country code) |
| KIR | Kaibab Indian Reservation (federally recognized tribe; Arizona) |
| KIR | Krajowa Izba Rozliczeniowa SA (Polish: National Clearing House) |
| KIR | Keying Infra Red |
| KIR | Keep It Real |
| KIR | Kultur Im Ruhrgebiet (German: Culture in the Ruhr Valley; Germany) |
| KIR | Killer-Cell Immunoglobulin-Like Receptor |
| KIR | Killer Cell Inhibitory Receptor |
| KIR | Kyocera Image Refinement |
| KIR | Keep It Running |
| KIR | Kids Internet Radio |
| KIR | Kerry County, Ireland - Kerry County (Airport Code) |