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.
VZ Holding Ltd. is a Swiss financial service company listed on the SIX Swiss Exchange. Its head office is based in Zürich.
vzRoom is a software system developed by Manipeer Limited for multi-party video conferencing, media sharing and VoIP phone integration.
The vz. 52 (7,62mm lehký kulomet vzor 52) is a Czechoslovak light machine gun developed after the Second World War for the Czechoslovak Armed Forces.