Several ships and one submarine of the Royal Navy have borne the name HMS Dreadnought in the expectation that they would "dread nought", i.e. "fear nothing, but God". The 1906 ship was one of the Royal Navy's most famous vessels.

• First Royal Navy Dreadnought of 40 guns built in 1553. ^[1]
• HMS Dreadnought (1573), a 41-gun ship launched in 1573, rebuilt in 1592 and 1614, then broken up in 1648.
• HMS Dreadnought (1654), a 52-gun Speaker-class frigate launched in 1654 as Torrington, renamed HMS Dreadnought at the Restoration in 1660, and lost in 1690.
• HMS Dreadnought (1691), a 60-gun fourth rate ship of the line launched in 1691, rebuilt in 1706 and broken up 1748.
• HMS Dreadnought (1742), a 60-gun fourth rate launched in 1742 and sold 1784.
• HMS Dreadnought (1801), a 98-gun second rate launched in 1801, converted to a hospital ship in 1827, and broken up 1857.
• HMS Dreadnought (1875), a battleship launched in 1875 and hulked in 1903, then sold in 1908.
• HMS Dreadnought (1906), a revolutionary battleship, launched in 1906 and sold for breakup in 1921.
• HMS Dreadnought (S101), the UK's first nuclear-powered submarine, launched in 1960 and decommissioned in 1980.

This article includes a list of ships with the same or similar names. If an internal link for a specific ship referred you to this page, you may wish to change the link to point directly to the intended ship article, if one exists.

1. ^ Boniface, Patrick. Dreadnought: Britain's First Nuclear Powered Submarine. Periscope Publishing Ltd., 2003. pp 84.