The SS Clan Forbes was a British cargo steamship. She was built for Clan Line Steamers Ltd as one of its Cameron-class steamships. She was launched at Greenock in 1938, served in the Second World War and was scrapped in Hong Kong 1959. This was the third of four Clan Line ships called Clan Forbes. The first was a steamship built in 1882 and sold to Furness, Withy & Co in 1903. The second was a steamship built in 1903 and sunk by a u-boat in 1918. The fourth was a motor ship built in 1961, sold in 1968 and scrapped in 1985.