Eight ships of the Royal Navy

Royal Navy

The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

 have borne the name HMS Rocket. Another was planned but never completed:
was a 4-gun fireship, previously the civilian Busy. She was purchased in 1804 and sold in 1807. was an iron paddle tender launched in 1842 and broken up in 1850. was a mortar vessel launched in 1855. She was renamed MV20 later that year and was broken up in 1865. was an Albacore-class wooden screw gunboat

Gunboat

A gunboat is a naval watercraft designed for the express purpose of carrying one or more guns to bombard coastal targets, as opposed to those military craft designed for naval warfare, or for ferrying troops or supplies.-History:...

 launched in 1856 and broken up in 1864. was a Beacon-class composite screw gunvessel launched in 1868 and sold in 1888. was a Rocket-class

Rocket class destroyer

Three Rocket class destroyers served with the Royal Navy. , and were launched at Clydebank in 1894. The ships displaced 280 tons, were 200 feet long and their Normand boilers produced 4,100 H.P. to give a top speed of 27 knots. They were armed with one twelve pounder and two torpedo tubes. ...

 destroyer

Destroyer

In naval terminology, a destroyer is a fast and maneuverable yet long-endurance warship intended to escort larger vessels in a fleet, convoy or battle group and defend them against smaller, powerful, short-range attackers. Destroyers, originally called torpedo-boat destroyers in 1892, evolved from...

 launched in 1894 and sold in 1912.

• HMS Rocket was to have been a Laforey-class
  Laforey class destroyer (1913)
  The Laforey class was a class of 22 torpedo boat destroyers of the Royal Navy, twenty of which were built under the Naval Programme of 1912 - 1913 and a further two under the War Emergency Programme of 1914. As such they were the last pre-war British destroyer design. All served during World War I...
  
   destroyer. She was renamed before being launched in 1913. was an R-class
  R class destroyer (1916)
  The first R class were a class of 62 destroyers built between 1916 and 1917 for the Royal Navy. They were an improvement, specifically in the area of fuel economy, of the earlier M-class destroyers...
  
   destroyer launched in 1916 and sold in 1926. was a later R-class
  Q and R class destroyer
  The Q and R class was a class of sixteen War Emergency Programme destroyers ordered for the British Royal Navy in 1940 as the 3rd and 4th Emergency Flotilla. They served as convoy escorts during World War II. Three Q class ships were transferred to the Royal Australian Navy upon completion, with...
  
   destroyer launched in 1942, converted to a Type 15
  Type 15 frigate
  The Type 15 frigate was a class of British anti-submarine frigates of the Royal Navy. They were conversions based on the hulls of World War II-era destroyers built to the standard War Emergency Programme "utility" design.-History:...
  
   frigate
  Frigate
  A frigate is any of several types of warship, the term having been used for ships of various sizes and roles over the last few centuries.In the 17th century, the term was used for any warship built for speed and maneuverability, the description often used being "frigate-built"...
  
  between 1949 and 1951 and scrapped in 1967.