Found 19 full forms for HOO
| Term | Full Form | Category |
|---|---|---|
| HOO | Handle Once Only 
| Others |
| HOO | Hanford Operations Office
| Others |
| HOO | Head Of Office
| Others |
| HOO | Head of Operations
| Others |
| HOO | Heart Of Omega
| Others |
| HOO | Help Our Orphans
| Others |
| HOO | Helping Our Own
| Others |
| HOO | Heroes of Olympus
| Others |
| HOO | Heroes Of Olypmus
| Others |
| HOO | Holding Our Own
| Others |
| HOO | home of one
| Others |
| HOO | Hours Of Operation
| Others |
| HOO | House Of Order
| Others |
| HOO | Housing Operations Office
| Others |
| HOO | Houston Oilers
| Others |
| HOO | Hrvatski Olimpijski Odbor
| Others |
| HOO | Hydrogen Oxygen Oxygen
| Others |
| HOO | Hypothetical Omniscient Observer
| Others |
| HOO | Quang Duc, Vietnam
| Others |