Z9 or Z-9 may refer to:
Technology Motorola Z9, a cell phone model IBM System z9, a mainframe Nikon Z9, a full-frame mirrorless camera produced by Nikon
Transportation BMW Z9, a concept car by BMW Denza Z9, an executive car by BYD Auto Dongfeng Z9, a Chinese mid-size pickup truck German destroyer Z9 Wolfgang Zenker MYAirline (former IATA code: Z9), a former Malaysian low-cost airline Aero Zambia (former IATA code: Z9), a former airline Harbin Z-9, a military Chinese aircraft Zbrojovka Z 9, a 1930s Czechoslovak car
People Galindo Mellado Cruz (1973–2014), Mexican suspected drug lord known as Z-9
See also 9Z (disambiguation)