| Acronym | Definition |
|---|
| iTIP | IT (Information Technology) Infrastructure Projects Limited (UK) |
| iTIP | iCalendar Transport-Independent Interoperability Protocol |
| iTIP | I-Calendar Transport Independent Interoperability Protocol |
| iTIP | Instructional Theory Into Practice |
| iTIP | Interregional Transportation Improvement Program (California Department of Transportation) |
| iTIP | Intelligent Transportation Infrastructure Program |
| iTIP | Information Technology Implementation Program (various companies) |
| iTIP | Information Technology Infrastructure Planning (Sprint) |
| iTIP | International Trade & Investment Policy (education program) |