Several ships of the Royal Navy have been named Grinder:

• HMS Grinder (1809), was an armed British vessel used as a tender, captured in 1810 by Danish gunboats, recaptured in 1811, and sold in 1832.
• HMS Grinder, was a 14-gun screw sloop ordered in 1847, and renamed HMS Miranda before launch.
• HMS Grinder (1855), a Dapper-class gunboat of 232 tons and 3 guns, launched in 1855, and broken up in 1864.

Three dockyard tugs have also been named Grinder:

• Grinder, a wooden paddle tug, of 332 tons, was launched in 1868 and sold in 1919.
• Grinder was a 300-ton tug ordered in 1941 but captured on the stocks in the Fall of Hong Kong. The Japanese completed her in 1943 as the Nagashima.
• Grinder was a 710-ton paddle tug launched in 1958.

• Colledge, J. J.; Warlow, Ben (2006) [1969]. Ships of the Royal Navy: The Complete Record of all Fighting Ships of the Royal Navy (Rev. ed.). London: Chatham Publishing. ISBN 978-1-86176-281-8.

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.