Vz or VZ may refer to:
The vz. 58 (model 58) is a 7.62×39mm rifle designed and manufactured in Czechoslovakia and accepted into service in the late 1950s as the 7,62 mm samopal vzor 58 ("7.62mm submachine gun model 1958"), replacing the vz.
The vz. 24 rifle is a bolt-action carbine designed and produced in Czechoslovakia from 1924 to 1942. It was developed from the German Mauser Gewehr 98 line, and features a very similar bolt design.
The vz. 52 rifle (often incorrectly called the "CZ 52") is a self-loading rifle developed shortly after the Second World War in Czechoslovakia.
The Vz. 50 (also known as the CZ 50) is a Czech made double-action, semi-automatic pistol. Vz is an abbreviation of the Czech (as well as Slovak) term "vzor" meaning model.
vzRoom is a software system developed by Manipeer Limited for multi-party video conferencing, media sharing and VoIP phone integration.
The puška vz. 33 ("rifle model 1933", sometimes referred to as krátká puška vz. 33 – "short rifle model 33") was a Czechoslovak bolt-action rifle that was based on a Mauser-type action, designed and produced in Československá zbrojovka in Brno during the 1930s in order to replace the obsolete Mannlicher vz.