ZdZ
| Acronym | Definition |
|---|---|
| ZdZ | Zeichen der Zeit (German) |
| ZdZ | Zaklad Doskonalenia Zawodowego (Polish: Department of Vocational Training; Biala Podlaska, Poland) |
| ZdZ | Zend Developer Zone (online forum) |
| ZdZ | Ziff-Davis' ZDNet (stock; computing and Internet content company) |