- ZOP stands for Zentrale Oberstufe Pruefung (German: Advanced Level Examination; Goethe Institut)
- ZOP stands for Zero-Order Predictor (algorithm)
- ZOP stands for Zinc Oxide Pigment
- ZOP stands for Zero Over-Pricing
- ZOP stands for Zwalczanie Okretów Podwodnych (Polish: Anti-Submarine Warfare; Department of Maritime Warfare)
ZOP