HMS Cutlass is a Cutlass-class fast patrol boat of the British Royal Navy.

She is a fast patrol boat with a maximum speed around 41 knots (76 km/h; 47 mph) designed for sovereignty protection and coastal security duties.

She is part of the Royal Navy's Gibraltar Squadron and arrived in the territory in November 2021[4] after undergoing sea trials in Liverpool.

[7] Along with HMS Dagger, she is replacing the Scimitar-class patrol vessels in Gibraltar.

[8] In May 2024, Cutlass deployed to Algarve coast for joint exercises with the Portuguese Navy.