Vz or VZ may refer to:
The vz. 24 rifle is a bolt-action carbine designed and produced in Czechoslovakia from 1924 to 1942. It was developed from the Mauser Gewehr 98 line, and features a very similar bolt design.
The Vz. 50 (also known as the CZ 50) is a Czech made double-action, semi-automatic pistol. Vz is an abbreviation of the Czechoslovakian term "vzor" meaning model.
The vz. 52 rifle (often incorrectly called the "CZ 52") is a self-loading rifle developed shortly after the Second World War in Czechoslovakia.
vzRoom is a software system developed by Manipeer Limited for multi-party video conferencing, media sharing and VoIP phone integration.
vzaar is an online video hosting service, which launched in 2007. The site supports video streaming, embedding, sharing, and video storage.
The vz. 52 (7,62 mm lehký kulomet vzor 52) is a Czechoslovak light machine gun developed after the Second World War for the Czechoslovak Armed Forces.
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.