PZO
| Acronym | Definition |
|---|---|
| PZO | Platform Zelfstandige Ondernemers (Netherlands) |
| PZO | Persian Zoroastrians Organization (est. 1981) |
| PZO | Polskie Zaklady Optyczne (Poland) |
| PZO | Puerto Ordaz, Venezuela - Puerto Ordaz (Airport Code) |
| PZO | Protuzracna Obrana (Anti Aircraft Defense, Croatian Air Force) |