TSS Vienna was a passenger vessel built for the Great Eastern Railway in 1894.

[1] The ship was built by Earle's Shipbuilding, Hull for the Great Eastern Railway and launched on 18 July 1894.

[citation needed] Initially placed on the Harwich to Hook of Holland route under a foreign flag, she was awarded the Royal Mail contract in 1898 and was then registered under a British flag.

[4] In 1920 she was renamed Roulers when she transferred to the Harwich to Zeebrugge service.

In 1923 she fell under the ownership of the London and North Eastern Railway.