The meaning of the Acronym PPO is...

PPO is

• People Protecting Otters

More Meanings For PPO:

• PreProcessor output file
• Personal Post Office
• PolyPhenolic Oxidase
• PolyPhenylene Oxide
• Pissing People Off
• Preferred Provider Organ
• Pure Plant Oil
• PolyPhenylene Oxide
• Permanent Paranormal Object
• Private Patrol Operator
• Public Performances Only
• Professional Provider Organization
• Perfect Providers Organization
• Preferred Provider Option
• Please Pay Outlandishly

PPO is also in:

• Adults
• Chemistry
• Electronics
• File Extensions
• Food
• Networking
• Plastics
• Unfiled