| Acronym | Definition |
|---|
| RIZ➣Regionale Innovationszentren (Austria) |
| RIZ➣Rio Alzucar (airport code; Panama) |
| RIZ➣Raiffeisen Informatik Zentrum (German: Raiffeisen Computer Science; Austria) |
| RIZ➣Radio Industrija Zagreb (Serbian: Radio Industry Zagreb; Croatia) |