YPI
| Acronym | Definition |
|---|---|
| YPI | Yachting Partners International (Brighton, England, UK) |
| YPI | Youth and Philanthropy Initiative (Canada) |
| YPI | Young Professionals International (Canada) |
| YPI | Young People's Initiative |
| YPI | Yale Psychiatric Institute (Yale University; New Haven, CT) |
| YPI | Yearly Planning Instrument |
| YPI | Young Peoples' Institute |
| YPI | Young Principal Investors |