SS Express was a Type C3-E cargo ship of American Export Lines that was sunk by I-10 in June 1942 in the Indian Ocean.

1477) by Bethlehem Shipbuilding of Quincy, Massachusetts, for the United States Maritime Commission on behalf of American Export Lines.

[1] To move her at her reported top speed of 16.5 knots (30.6 km/h),[3] Express was equipped with two steam turbines, both also built by Bethlehem Shipbuilding.

[1] On 18 June 1942, Express sailed from Bombay, India, for Cape Town, South Africa, with a cargo of manganese ore, jute, leather, and other goods.

At 00:30 on 30 June, while navigating almost due south on a zig-zag course near position 23°30′S 37°30′E / 23.500°S 37.500°E / -23.500; 37.500, a star shell fired by I-10 illuminated the sky at almost the same time that two torpedoes from the same submarine hit their mark on Express.