Tech Gate Vienna is a science and technology park in the City of Vienna, Austria, situated in the 22nd district Donaustadt.

It was built between 1999 and 2005 following the plans from architects Wilhelm Holzbauer and Sepp Frank in an area called Donau City.

Tech Gate Vienna consists of two buildings.

Aside many companies and start-ups, several technology labs are situated in Tech Gate Vienna buildings, such as the Austrian Institute of Technology, the Telecommunications Research Center Vienna (FTW), and the VRVis Research Center.

Four attractive stages are utilized for a variety of technology affine events.