ITTO
| Acronym | Definition |
|---|---|
| ITTO | International Tropical Timber Organization |
| ITTO | International Timber Trade Organization (Japan) |
| ITTO | International Teacher Training Organization |
| ITTO | Iran Tourism and Touring Organization |
| ITTO | Inputs Tools Techniques Outputs (/Project Management Methodology) |
| ITTO | Internet to the Outback (education program; Volunteers for Isolated Students' Education; Australia) |