| Acronym | Definition |
|---|
| YBO➣Your Brand Online (Brea, CA) |
| YBO➣Young Bucks Outdoors (hunting; Buckmasters) |
| YBO➣Youth Builders Organisation (Nigeria) |
| YBO➣Your Benefits Online (employee benefits; University of California; Oakland, CA) |
| YBO➣Yellow-Brown Opacities (dentistry) |