| WRO | Warehouse Receiving Order 
| Others |
| WRO | Warren Rupp Observatory
| Others |
| WRO | Water Resources Outlook
| Others |
| WRO | Westchester Records Online
| Others |
| WRO | Westchester Residential Opportunities
| Others |
| WRO | Western Regional Office
| Others |
| WRO | Western Rottweiler Owners
| Others |
| WRO | Wheels Romania
| Others |
| WRO | White River Outfitters
| Others |
| WRO | Wilderness River Outfitters
| Others |
| WRO | With Right Of
| Others |
| WRO | Withhold Release Orders
| Others |
| WRO | Wizualnych Realizacji Okolomuzycznych
| Others |
| WRO | Women Rehabilitation Organization
| Others |
| WRO | Wool Riders Only
| Others |
| WRO | Work Release Order
| Others |
| WRO | Work Request Online
| Others |
| WRO | World Regenesis Organization
| Others |
| WRO | World Regenisis Orgainization
| Others |
| WRO | World Rehabilitation Organization
| Others |
| WRO | World Renderers Organization
| Others |
| WRO | World Rescue Organisation
| Others |
| WRO | World Research Organization
| Others |
| WRO | World Robot Olympiad
| Others |
| WRO | World Robot OlympiadTM
| Others |
| WRO | World Robotics Olympiad
| Others |
| WRO | World Rohingya Organization
| Others |
| WRO | Write Operand
| Others |
| WRO | Wroclaw, Poland
| Others |