The name HMS Churchill has been borne by two Royal Navy ships: a destroyer and a submarine.

• HMS Churchill (I45) was a Town-class destroyer during World War II. It was named for towns of that name common to Britain and the United States.
• HMS Churchill (S46) was the first of three Churchill-class nuclear-powered fleet submarines. Named for Winston Churchill (Prime Minister of the United Kingdom during World War II), she was launched in 1968 and decommissioned in 1991.

Ships named HMS Churchill have earned the following battle honours:

• Atlantic 1941–44

• HMCS Churchill, a Royal Canadian Navy shore establishment from 1950 to 1966.
• USS Winston S. Churchill, a destroyer in the United States Navy.

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.