| Acronym | Definition |
|---|
| PTD | Painted (architectural) |
| PTD | Permanent Total Disability (insurance term) |
| PTD | Property Tax Division |
| PTD | Power Transmission and Distribution |
| PTD | Participatory Technology Development |
| PTD | Protein Transduction Domain |
| PTD | Protected Trust Deed (debt arrangement; Scotland, UK) |
| PTD | Provisioning Technical Documentation |
| PTD | Period to Date |
| PTD | Physical Theory of Diffraction |
| PTD | Project-To-Date |
| PTD | Paper Towel Dispenser |
| PTD | Parallel Transfer Disk Drive |
| PTD | Personal Trusted Device (First Access) |
| PTD | Paid-To Date |
| PTD | Pre Term Delivery |
| PTD | Plant Test Date (telecommunications) |
| PTD | Portland Technology Development (Intel) |
| PTD | Prior to Doc (loans) |
| PTD | Payable Through Draft (banking) |
| PTD | Pilot to Dispatcher |
| PTD | Packet Transfer Delay |
| PTD | Page Table Descriptor |
| PTD | Probable Toxic Dose |
| PTD | Phased Threat Distribution |
| PTD | Palmeiras Todo Dia (Brazilian soccer team Palmeiras' fan site) |
| PTD | Percutaneous Transhepatic Drainage (biology) |
| PTD | Project on Transitional Democracies (political advocacy group) |
| PTD | Personal Therapy Device (wellness product) |
| PTD | Pick to Display (PictureView) |
| PTD | Pen-Tele Data |
| PTD | Portable Top Drive (drilling rigs/platforms) |
| PTD | Permission to Drop (university) |
| PTD | Packet Telecommand Decoder (aerospace engineering) |
| PTD | Partial Transfer Delivery (brokerage) |
| PTD | Page Turning Device (Stargate SG-1) |
| PTD | Panhandle Transit District (Texas) |
| PTD | Proceed To Dial |
| PTD | Provisional Technical Documentation |
| PTD | Post Traumatic Disease |
| PTD | Pulse Train Discriminator (engineering) |
| PTD | Personnel Technologies Directorate |
| PTD | Programmer Test Description |
| PTD | Preliminary Training Development |
| PTD | Process Technology Department |
| PTD | Parking Ticket Device |
| PTD | Preemptive Threat Defense (Preventsys) |
| PTD | Proceed to Dismissal |
| PTD | Pokemon Tower Defense |
| PTD | Personal Transport Dinosaur (gaming slang) |
| PTD | Pre-Trial Diversion (prosecution program; various locations) |
| PTD | Postal and Telegraph Department (Burma) |
| PTD | Professional Truck Driver |