The Imperial Royal Privileged Austrian State Railway Company (German: k. k. privilegierte österreichische Staatseisenbahn-Gesellschaft), from 1 January 1883 the Privileged Austro-Hungarian State Railway Company (privilegierte österreichisch-ungarische Staatseisenbahn-Gesellschaft) was a private railway company in the Austro-Hungarian Empire. Its title was abbreviated to State Railway Company (Staats-Eisenbahn-Gesellschaft) or StEG.