IPIP
| Acronym | Definition |
|---|---|
| IPIP | Improving Performance in Practice (quality improvement initiative) |
| IPIP | Internet Protocol Integration Project |
| IPIP | Internet Protocol Tunneling Through Internet Protocol |
| IPIP | International Personality Item Pool |
| IPIP | Idrætspolitisk Idéprogram (Denmark) |
| IPIP | Immediate Past International President |
| IPIP | Infrastructure Programme Implementation Plan (Zambia) |
| IPIP | Internet Protocol within Internet Protocol Encapsulation Protocol (computing) |
| IPIP | Individual Professional Improvement Plan (teachers) |