SS Aleppo was a British passenger cargo vessel, launched on 1 November 1864, measuring 292.5 feet by 38.2 feet, 2,057 gross tonnage, built in Glasgow by J & G Thomson, Govan.

[1] She made her first North Atlantic voyage from Liverpool to Halifax to New York City beginning on 15 September 1865.

The ship was commissioned for the British & Foreign Steam Navigation Company, Glasgow, a company established in 1855 to run the Mediterranean shipping interests of the investors of the British and North American Royal Mail Steam-Packet Company, the forerunner of the Cunard Line.

In 1878 the firms were reorganised, the British & Foreign Steam Navigation Company and its ships were merged into the Cunard Steam Ship Co. Ltd., and Aleppo was transferred on 7 September 1878.

The ship made its last North Atlantic voyage from Liverpool to Boston on 24 March 1892.