PS Rouen was a passenger ferry that was built in Glasgow in 1888 for the London, Brighton and South Coast Railway (LB&SCR).

[1] In 1903 she was acquired by JP and RP Little for the Barrow Steam Navigation Company and renamed Duchess of Buccleuch.

The Fairfield Shipbuilding and Engineering Company built Rouen in Govan, Glasgow as yard number 330.

She was launched on 12 April 1888 by Mrs Allen Sarle, the wife of the secretary and general manager of the LB&SCR.

She had a two-cylinder diagonal compound steam engine that was rated at 487 NHP and gave her a speed of 19+1⁄4 knots (35.7 km/h).