Three ships of the British Royal Navy have been named HMS Earnest:

• HMS Earnest (1805) was a 12-gun gun-brig launched at Lieth in 1805 and sold in 1816. She then became the merchantman Earnest and continued to sail until 1850.
• HMS Earnest (1856) was a wood screw gunboat launched in 1856 and sold in 1895.
• HMS Earnest (1896) was a destroyer launched in 1896 and sold in 1920

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.