| PPM | Positions And Proper Motions (catalog) | - | Atmospheric Research Center |
| PPM | Pair Population Method | - | Computer Acronyms(common) |
| PPM | Parts Per Million | - | Computer Acronyms(common) |
| PPM | Path Probability Method | - | Computer Acronyms(common) |
| PPM | Pages Per Minute | - | Computer and Internet |
| PPM | Pages Per Minute | - | Human Genome |
| PPM | Part Per Minute | - | Organizations |
| PPM | Parts Per Million | - | Organizations |
| PPM | Pulse Per Minute | - | Organizations |
| PPM | Pulse Position Modulation | - | Organizations |
| PPM | EPacific Plate Motion Experiment | - | Organizations |
| PPM | Part Per Million | - | Scuba Diving |
| PPM | Parts Per Million | - | Astronomy |
| PPM | Parts Per Million | - | Astronomy |
| PPM | Parts Per Million | - | Business and Finance |
