| Acronym | Definition |
|---|
| OVO➣Ongeïdentificeerd Vliegend Object (Dutch: Unidentified Flying Object) |
| OVO➣October's Very Own (music festival) |
| OVO➣OpenView Operations (HP) |
| OVO➣Openbaar Voortgezet Onderwijs (Dutch: Public Secondary Education; Netherlands) |
| OVO➣Open View Operations |
| OVO➣Ondernemers voor Ondernemers (Dutch: Entrepreneurs for Entrepreneurs; Netherlands) |
| OVO➣Osebne Varovalne Opreme (Slovenian: Personal Protective Equipment) |