| YBO | Yamuna Basin Organization
| Others |
| YBO | Yellow Brown Opacities
| Others |
| YBO | Yossi Bayles Orchestra
| Others |
| YBO | Young Bucks Outdoors
| Others |
| YBO | Young Bundy Outlaws
| Others |
| YBO | Your Benefits Online
| Others |
| YBO | Your Biz Options
| Others |
| YBO | Your Blue Oval
| Others |
| YBO | Your Bookkeepers Online
| Others |
| YBO | Your Brand Online, Inc.
| Others |
| YBO | Your Business On-line, Incorporated
| Others |
| YBO | Your Business online
| Others |
| YBO | Youth Basketball Organization
| Others |
| YBO | Youth Builders Organisation
| Others |
| YBO | Youth Builders Organization
| Others |