Murder in the Submarine Zone (also published as "Nine—And Death Makes Ten" and "Murder in the Atlantic") is a mystery novel by the American writer John Dickson Carr (1906–1977), who published it under the name of Carter Dickson. It is a whodunnit and features the series detective Sir Henry Merrivale.
"Murder in the Submarine Zone" was also titled "Nine—And Death Makes Ten" and "Murder in the Atlantic".