RMS Carmania may refer to the following ocean liners:
- RMS Carmania (1905) – in service with Cunard Line 1905–32
- RMS Carmania (1954) – in service with Cunard Line 1962–73
This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.