| PVO | PAHIO Vacation Ownership 
| Others |
| PVO | Parent Volunteer Organization
| Others |
| PVO | Parking Violations Operations
| Others |
| PVO | Partial Variable Ordering
| Others |
| PVO | Partial Vertical Ownership
| Others |
| PVO | Pay for Value Organizations
| Others |
| PVO | Pedal Volume Operation
| Others |
| PVO | Percent Volume Oscillator
| Others |
| PVO | Percentage of Vascular Obstruction
| Others |
| PVO | Percentage Volume Oscillator
| Others |
| PVO | Performance Vehicle Operations
| Others |
| PVO | Peter Van Orton, wrestler
| Others |
| PVO | Peter Very Online
| Others |
| PVO | Pioneer Venus Orbiter
| Others |
| PVO | Pixel Value Ordering
| Others |
| PVO | Player Vs Objective
| Others |
| PVO | Pohjolan Voima Oy
| Others |
| PVO | Policy Virus and Outbreak
| Others |
| PVO | Poly Vinyl Octanal
| Others |
| PVO | Portal Vein Obstruction
| Others |
| PVO | Portoviejo, Ecuador
| Others |
| PVO | Position vs Opponent
| Others |
| PVO | Positive Valve Overlap
| Others |
| PVO | Positive Vibes Only
| Others |
| PVO | Pressure Variable Orifice
| Others |
| PVO | Pretty Voluptuous One
| Others |
| PVO | Private Voluntary Organization
| Others |
| PVO | Private Voluntary Organizations
| Others |
| PVO | Private Volunteer Organization
| Others |
| PVO | Private Volunteering Organization
| Others |
| PVO | Private Vritual Office
| Others |
| PVO | Professional Van Operator
| Others |
| PVO | Project Volunteer Online
| Others |
| PVO | Protiv Vozdushnaya Oborna
| Others |
| PVO | Protiv Vozdushnaya Oborna (Russian Air Defense Forces)
| Others |
| PVO | Protivo Vosdushniya Oborona
| Others |
| PVO | Protivo Vozdushnaya Oborona
| Others |
| PVO | Provincial Veterinary Office
| Others |
| PVO | Provisional Variation Order
| Others |
| PVO | Pulmonary Veno Occlusive
| Others |
| PVO | Pulmonary Venous Obstruction
| Others |
| PVO | Purchase Volume
| Others |
| PVO | Pyogenic Vertebral Osteomyelitis
| Others |