Eugen Piwowarsky (10 November 1891 – 17 November 1953) was a German metallurgist.

Piwowarsky was born in Leschnitz (Polish: Leśnica), Prussian Silesia, and educated at the Technische Hochschule Breslau. He taught at RWTH Aachen and died in Aachen.

Literary works

• Hochwertiger Grauguss und die physikalisch-metallurgischen Grundlagen seiner Herstellung, 1929