Yangtse Incident: The Story of H.M.S. Amethyst (1957) is a British war film that tells the story of the British sloop HMS Amethyst caught up in the Chinese Civil War and involved in the 1949 Yangtze Incident. Directed by Michael Anderson, it stars Richard Todd, William Hartnell, and Akim Tamiroff.

It was based upon the book written by Lawrence Earl. The film was known in the US by the alternative titles Battle Hell, Escape of the Amethyst, Their Greatest Glory and Yangtze Incident. Non-English language titles include the direct German translation of Yangtse-Zwischenfall, and Commando sur le Yang-Tse in France. In Belgium it was known as Feu sur le Yangtse (French) and Vuur op de Yangtse (Flemish/Dutch), both meaning "Fire on the Yangtse".

The film was entered into the 1957 Cannes Film Festival.