| PUP | Pack Unpack Operation 
| Others |
| PUP | Paint Ur Pet
| Others |
| PUP | Parallel Universe Projects
| Others |
| PUP | Parc Universal Packet
| Others |
| PUP | Parc Universal Protocol
| Others |
| PUP | Particularly Underpowered Processor
| Others |
| PUP | Particularly Useless Player
| Others |
| PUP | People For Urban Progress
| Others |
| PUP | People Understanding People
| Others |
| PUP | People Understanding Planning
| Others |
| PUP | People United for Pets
| Others |
| PUP | Performance Under Pressure
| Others |
| PUP | Personal Umbrella Policy
| Others |
| PUP | Personal Use Program
| Others |
| PUP | Personal utility Pet
| Others |
| PUP | Pets Unstressing Passengers
| Others |
| PUP | Pets Uplifting People
| Others |
| PUP | Physically Unable To Perform
| Others |
| PUP | Physicians United Plan
| Others |
| PUP | Pick Up Pad
| Others |
| PUP | Pick Up Phone
| Others |
| PUP | Pick Up Poop
| Others |
| PUP | Pila Uli Pila
| Others |
| PUP | Pogled U Prazno
| Others |
| PUP | Polytechnic University of the Philippines
| Others |
| PUP | Pop Up Trailer
| Others |
| PUP | Possible Unwanted Program
| Others |
| PUP | Potentially Unwanted Program
| Others |
| PUP | Potentially Unwanted Programs
| Others |
| PUP | Power Utility Pack
| Others |
| PUP | Power Utility Pak
| Others |
| PUP | Pretty Unbeatable Program
| Others |
| PUP | Prevent Unwanted Pets
| Others |
| PUP | Previously Untreated Patient
| Others |
| PUP | Primal Urge Package
| Others |
| PUP | Princeton University Press
| Others |
| PUP | Principal User Platform
| Others |
| PUP | Principal User Processor
| Others |
| PUP | Principle User Processor
| Others |
| PUP | Printer Utility Program
| Others |
| PUP | Product Upgrade
| Others |
| PUP | Product Upgrade Program
| Others |
| PUP | Product Usage Profile
| Others |
| PUP | Program For User Profiling
| Others |
| PUP | Public Utility Plant
| Others |
| PUP | Puppies Up For Parole
| Others |
| PUP | Pups Uniting People
| Others |
| PUP | Purdue Utility Project
| Others |