HMS Grasshopper was a Beagle-class (or G-class) destroyer of the British Royal Navy. The Beagles were coal-fuelled ships, designed for a speed of 27 kn (31 mph; 50 km/h), armed with a 4-inch (102 mm gun and two torpedo tubes. Grasshopper was built by Fairfield Shipbuilding & Engineering Company at their Govan yard, between 1909 and 1910, being launched on 23 November 1909 and completing in July 1910.