Z800 may refer to:
Kawasaki Z800 - a motorcycle Sony Ericsson Z800i - a mobile phone model Zilog Z800 - a 16-bit microprocessor designed by Zilog Z800 3DVisor - a head-mounted display manufactured by eMagin Verizon Wireless Z800 - a CDMA cellphone manufactured by Sharp Z800 - Hewlett-Packard Z-series dual CPU Intel-based workstation