| CODE | ABBREVIATION |
| ZAI | Zero Administrative Initiative |
| ZAW | Zero Administration for Windows |
| ZBR | Zone-Bit Recording |
| ZCAV | Zoned Constant Angular Velocity |
| ZD | Ziff-Davis |
| ZDL | Zero Delay Lockout |
| ZDS | Zenith Data Systems |
| ZF | Zero Flag |
| ZIF | Zero Insertion Force (socket) |
| ZIP | Zig-Zag In-Line Package / Zig-zag In-line Package / Zone Improvement Plan / Zone Information Protocol |
| ZIS | Zone Information Socket |
| ZIT | Zone Information Table |
| ZMA | Zone Multicast Access |
| ZPV | Zoomed Port Video |
| ZSL | Zero Slot LAN |
Z
ZBB :- Zero Base Budgeting
ZETA :- Zero Energy Thermo Nuclear Assembly
ZIFT :- Zygote Intra fallopian Transfer
ZIP :- Zone Improvement Plan
ZOPFAN :- Zone of Peace Freedom and Neutrality
ZS :- Zoological Society
ZUPO :- Zimbabwe United People's Organisation
