SS Jumna was a steam passenger liner that was built in Scotland in 1929 and sunk with all hands by a German cruiser on Christmas Day 1940.

She was a ship in the fleet of James Nourse, Ltd, whose trade included taking indentured labourers from India to the British West Indies.

Each turbine drove the same shaft as its triple-expansion engine via double reduction gearing and a Föttinger fluid coupling.

She called at Colombo, Bombay, Rangoon and Calcutta, and then sailed via Cape Town to the Caribbean, reaching Trinidad on New Year's Eve 1939.

[10] She joined Convoy HX 28, which left Halifax on 8 March and reached Liverpool on 2 April.

[13] She then continued via Malta, the Suez Canal and Aden to Colombo, where she arrived on 22 June 1940 before calling at Rangoon and Calcutta.

She called at Barbados, Kingston, Nuevitas, Caibarién and Havana, and reached Galveston, where she arrived on 5 October.

[17] On Christmas Day 1940 the German cruiser Admiral Hipper attacked Jumna in the Atlantic Ocean north of the Azores.