SS Fatshan (Chinese: 佛山輪[3]) was a passenger ferry steamer which sank in stormy seas off Lantau Island during Typhoon Rose resulting in the loss of 88 lives.

[1][4] In December 1939, Fatshan was underway under the command of Captain Whyte en route to Canton from Hong Kong when the steamer struck a submerged object which tore a large hole into the ship's hull near the engine room.

In 1942, the ship was renamed as Koto Maru and began carrying out duties including troop and supply transport in the region for the Imperial Japanese Navy.

[12] On 9 August 1944, Koto Maru was spotted and reported on by agents of the British Army Aid Group as part of their Naval Section's Kweilin Intelligence Summary No.

The vessel was recorded as having a light grey colour scheme with armament modifications including an anti-aircraft machine gun on the bridge and was crewed by 4 Japanese, 30 Chinese and 6 Indian sailors.

[15] At the time, Fatshan was one of the main ferry boats operating the Hong Kong to Macao route, the others being MV Tai Loy and SS Tak Shing.

YC Liang had previously made use of Fatshan in 1945 when he was charged with ferrying relief supplies to Hong Kong from Macao after the end of World War II.