| Acronym | Definition |
|---|
| PTO➣Parent-Teacher Organization (variant of Parent-Teacher Association) |
| PTO➣Paid Time Off |
| PTO➣Patent & Trademark Office |
| PTO➣Power Take-Off |
| PTO➣Pátio (Portuguese postal usage) |
| PTO➣Permit to Occupy (property rights) |
| PTO➣Permission to Operate (utilities) |
| PTO➣Play the Objective (gaming) |
| PTO➣Personal Time Off |
| PTO➣Phantom of the Opera |
| PTO➣Packet Timeout |
| PTO➣Public Telecommunication |
| PTO➣Pointer Table Overflow |
| PTO➣Power Take Off |
| PTO➣Permission to Officiate (license; Church of England; UK) |
| PTO➣Property Tax Oversight (Florida) |
| PTO➣Produce to Order |
| PTO➣Pacific Theater of Operations |
| PTO➣Public Trust Office (various locations) |
| PTO➣Purchase to Own |
| PTO➣Permit to Operate |
| PTO➣Polish Tourist Organisation |
| PTO➣Police Training Officer |
| PTO➣Poker Tracker Omaha (online poker software) |
| PTO➣Public Telecommunications Operator |
| PTO➣Please Turn Over |
| PTO➣Pre-Trial Order |
| PTO➣Planned Task Observation (job safety) |
| PTO➣Person Trade-Off |
| PTO➣Permeability Tuned Oscillator |
| PTO➣Public Telephone Operator |
| PTO➣Parachute Training Organisation (UK) |
| PTO➣Pick to Order |
| PTO➣Professional Technical Officer (UK) |
| PTO➣Powertrain Operations |
| PTO➣Purdue Terrestrial Observatory (Indiana) |
| PTO➣Professional Try-Out (professional sports) |
| PTO➣Paltamo (Railway Station Code) |
| PTO➣Personal Trainer One (software) |
| PTO➣Prisoner Transfer Order (US Corrections) |
| PTO➣Public Tender Offer |
| PTO➣Prison Talk Online |
| PTO➣Push to Operate |
| PTO➣Prontuario Terapeutico Ospedaliero (Italy) |
| PTO➣Programming and Training Officer |
| PTO➣Part-Time Officer |
| PTO➣Pulse Train Oscillator |
| PTO➣Port Transportation Officer (US Navy) |
| PTO➣Preliminary Technical Order |
| PTO➣Presentation Text Object |
| PTO➣Pure Trust Organization |
| PTO➣Participating Test Organization |
| PTO➣Professional and Technology Officer |
| PTO➣Power Transmission Overdrive |
| PTO➣Privilege Ticket Order (Indian Railways) |
| PTO➣Poetry Today Online |
| PTO➣Ping Time Out |
| PTO➣Payment, Treatment or Operations (protected health information can only be shared for PTO purposes) |
| PTO➣Percent Time Operable |
| PTO➣Peacetime Training Objective (US Air Force) |
| PTO➣Page Turn Over (musical term) |
| PTO➣Pakistan Trade Office |
| PTO➣Primary Test Organization |
| PTO➣Planting Thought Organics (Los Angeles, California) |
| PTO➣Post-Transient Operation |
| PTO➣Process Time Observation |
| PTO➣Pallet Truck Operator |