KRR
| Acronym | Definition |
|---|---|
| KRR | Kernel Ridge Regression |
| KRR | Karur (India) |
| KRR | Kenny Rogers Roasters (restaurant chain) |
| KRR | Krasnodar, Russia - Krasnodar (Airport Code) |
| KRR | Kansai Rapid Railway Co., Ltd. (Japan) |
| KRR | Kirby's Rainbow Resort (website) |
| KRR | Key Rack Research |
| KRR | Kansai Research Reactor |