- ZPP Zongshen PEM Power Systems Inc. (Canada)
- zpp Zirconium Production Plant
- ZPP Zirconium Potassium Perchlorate
- ZPP Zero Point Process
- ZPP Zinc Proto-Porphyrin
- ZPP Zero Probability Polynomial (complexity theory, randomized algorithms)
- ZPP Zoo Pilot Publishing (Taos, NM)
Abbreviations And Their Meaning