HMS Alcantara

HMS Alcantara can refer to either of two ocean liners which were used by the British Royal Navy (RN) in wartime, adopting the prefix "HMS" while in RN service:


 * RMS Alcantara (1913) - launched in 1913 and sunk in combat during World War I with SMS Greif (1914) in 1916.
 * RMS Alcantara (1926) - launched in 1926 and served as an armed merchant cruiser and troopship during World War II. Scrapped in 1958.