St. Peter an der Sperr was a Dominican convent church in Wiener Neustadt in Austria. The church building is now used as an exhibition space. The convent building now houses a museum.

In August 2016, during excavations in the run-up to planned conversion work for the 2019 Lower Austrian State Exhibition, archaeologists came across two medieval graves.

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  Choir to the nave with the west wall
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  Nave to the choir
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  Portal with fourteen statuette niches
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  Niche in the choir

47°48′57″N 16°14′38″E / 47.81593°N 16.24388°E / 47.81593; 16.24388