HOOP
| Acronym | Definition |
|---|---|
| HOOP | Hydrogen Out-of-Plane |
| HOOP | Home Ownership Opportunity Program |
| HOOP | Handbook of Operating Procedures |
| HOOP | Hands Off Our Penises (anti-circumcision group) |
| HOOP | Home Ownership Outreach Program (Pennsylvania) |
| HOOP | Helping Our Own People, Inc. (Indianapolis, IN) |