Neundorf is a subdivision of Pirna, Germany. It was incorporated into Pirna in 1923. It was first mentioned in 1408^[1] when it was initially known as Poondorf. It is situated in the valley of the river Gottleuba, 6 km southeast of Pirna town centre.

Neundorf had a small island station on the Gottleuba Valley Railway, but the line was closed in 1976.