APIO
| Acronym | Definition |
|---|---|
| APIO | Agent Programming Interface Overview |
| APIO | Assistant Public Information Officer (India) |
| APIO | Asian Pacific Islander Organization (est. 1998) |
| APIO | Application Platform Infrastructure Optimization (Microsoft) |
| APIO | Asia-Pacific Informatics Olympiad (annual) |
| APIO | Austrian Paintball Indoor Open |