The Kongà  Maru-class armed merchant cruiser was a class of two armed merchant cruisers of the Imperial Japanese Navy.
The Kongà  Maru-class vessels and Kiyosumi Maru were built by IHI Corporation at in Kobe as combined cargo-passenger ships. They were converted to "auxiliary cruiser" role in SeptemberâÂÂDecember 1941 (and therefore armed).