RMS Andania was a British ocean liner launched in 1921. She was the first of six 14,000-ton A-class liners built for the Cunard Line in the early 1920s. The other ships were Antonia, Ausonia, Aurania, Ascania, and Alaunia.

RMS Ausonia, launched in 1921, was one of Cunard's six post-World War I "A-class" ocean liners for the Canadian service.