| PTN | Amaya Dicopar File 
| Others |
| PTN | Morgan City/ Patterson, Louisiana USA
| Others |
| PTN | Packet Transport Network
| Others |
| PTN | Pain To Noobiez
| Others |
| PTN | PANTHER Tree Node
| Others |
| PTN | Parent Teacher Network
| Others |
| PTN | Parent Teachers Network
| Others |
| PTN | Partition
| Others |
| PTN | Partition Number
| Others |
| PTN | Pathways To NROTC
| Others |
| PTN | Paul Toni and Nathaniel
| Others |
| PTN | Pediatric Therapy Network
| Others |
| PTN | Pediatric Trials Network
| Others |
| PTN | Pelleting Technology Nederland
| Others |
| PTN | Pelleting Technology Netherlands
| Others |
| PTN | Perguruan Tinggi Negeri
| Others |
| PTN | Personal Telecommunications Number
| Others |
| PTN | Personal Telephone Number
| Others |
| PTN | Personal Tutorship Network
| Others |
| PTN | Peter The Nut
| Others |
| PTN | Pheasant Tail Nymph
| Others |
| PTN | Philips Telecom and Networking
| Others |
| PTN | Photo Trade News
| Others |
| PTN | Photo Traveler Newsletter
| Others |
| PTN | Pilot Training Next
| Others |
| PTN | Pleiotrophin
| Others |
| PTN | Poly Trimethylene Naphthalate
| Others |
| ptn | pontoon
| Others |
| PTN | Portable Telephone Network
| Others |
| PTN | Portion
| Others |
| PTN | Practice Transformation Network
| Others |
| PTN | Practice Transformation Networks
| Others |
| PTN | Premium Total Nitrogen
| Others |
| PTN | Preservation Trades Network
| Others |
| PTN | Preservation Trades Network, Inc.
| Others |
| PTN | Private Telecommunication Network
| Others |
| PTN | Private Telecommunications Network
| Others |
| PTN | Pro Travel Network
| Others |
| PTN | Product Termination Notice
| Others |
| PTN | Product Transfer Notes
| Others |
| PTN | Professional Television Network
| Others |
| PTN | Professional Training NetworkTM
| Others |
| PTN | Project Tracking Number
| Others |
| PTN | Provider Telecommunications Network
| Others |
| PTN | Public Telecommunications Network
| Others |
| PTN | Public Telephone Network
| Others |
| PTN | Pull- Thru Network
| Others |
| PTN | Pump The Noise
| Others |
| PTN | Push Tug Nudge
| Others |