CIAO
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| CIAO | Goodbye (in Italian) | - | ISO Country Codes |
| CIAO | Critical Infrastructure Assurance Office - Component-Integrated ACE ORB | - | Astronomy |
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| CIAO | Goodbye (in Italian) | - | ISO Country Codes |
| CIAO | Critical Infrastructure Assurance Office - Component-Integrated ACE ORB | - | Astronomy |