There have been six ships of the Royal Navy named HMS Lancaster:

• HMS Lancaster (1694) was an 80-gun first rate built in 1694, then rebuilt and relaunched in 1722, and rebuilt for a third time to a 66-gun third rate in 1749.
• HMS Lancaster (1797) was an East Indiaman, fitted out as a third rate 64-gun ship in 1797.
• HMS Lancaster (1823) was a frigate of 1823, scrapped in 1864.
• HMS Lancaster (1902) was a Monmouth-class cruiser of 1902 which paid off in 1919.
• HMS Lancaster (G05), formerly USS Philip, was a Wickes-class destroyer transferred as part of the 1940 Destroyers for Bases Agreement.
• HMS Lancaster (F229), a Type 23 frigate commissioned in 1992 and withdrawn from service in 2025.

Battle honours

Ships that have borne the name Lancaster for the Royal Navy have earned the following battle honours;

• Louisburg 1758
• Camperdown 1797
• Atlantic 1941
• Arctic 1942
• North Sea 1943–45

List of ships with the same or similar names

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.