PS Stour was a passenger vessel built for the Great Eastern Railway in 1878.

[1] The ship was built by the Thames Ironworks and Shipbuilding Company in London as a replacement for the Stour (1864).

On 4 August 1891, she was used as a decoy for the departure of the Empress of Germany, Augusta Victoria of Schleswig-Holstein, and her children.

The Stour was laid with crimson carpet on the deck and seating arranged under an awning.

The Stour was brought alongside Felixstowe pier, on which a large crowd had assembled to witness the departure.