HMS Ambrose was a steamship that was built for in 1903 as a passenger liner. The Booth Steam Ship Company ran her scheduled on services between Liverpool and Brazil until the First World War.

HMS Titania was a Royal Navy submarine depot ship. Most of those that saw service in the First World War were scrapped in the 1930s. Titania, however, saw service in the Second World War. She was scrapped at Faslane, Scotland, in September 1949.