| Abbreviation | Definition |
|---|---|
| Z | Zappers |
| ZAMBIES | Zombie Assassins and Multiplayer Beasts of the Indispensable Elite Squad |
| ZBC | Zimbabwe Broadcasting Corporation |
| ZDF | Zweites Deutsches Fernsehen |
| ZDF | Zweites Deutsches Rundfunk ( Second German Television network) |
| ZDM | Ziff Davis Media, Inc. |
| ZEE | Zebra Entertainment Enterprise |
| ZHD-TV1 | Zenith HDTV Antenna |
| ZJB | Radio Montserrat |
| ZMM | Zen and the Art of Motorcycle Maintenance |
| ZNA | Zoroastrian News Agency |
| ZNN | Zenzibar News Network |
| ZO | Zoom Out |
| ZPM | Zero Point Module |
| ZPQ | Zuzu's Petals Quarterly |
| ZPQO | Zuzu's Petals Quarterly On-line |
| ZQA | ZXir QLive Alive |
| ZRN | Zone Radio Network |
| ZS | Zoom Stereo |
| ZSD | Zoom Servo Device |