Wiener Neustadt (German pronunciation:[ˈviːnɐˈnɔʏʃtat]; lit. 'Viennese New Town'; Central Bavarian: Weana Neistod, pronounced[ˈvɛɐ̯nɐˈnɔɪ̯ʃtɔt]) is a city in southern part of the Austrian state of Lower Austria. The city is located some 50 kilometres (31 mi) south of the centre of the capital Vienna. It is a self-governed city and the seat of the district administration of Wiener Neustadt-Land District.

Wiener Neustadt is home to one of the world's oldest military academies, the Theresian Military Academy, established by Empress Maria Theresa of Austria in 1751 to train officers for the Austrian army.