Nine ships of the Royal Navy have borne the name HMS Ruby:
HMS Ruby was a 48 gun warship launched in 1652. She fought in the War of the Spanish Succession as part of a fleet under Admiral John Benbow. She was rebuilt in 1706 and captured in 1707 by the French ship Mars.HMS Ruby was a 66 gun third rate ship of the line, originally the French ship Rubis. She was captured in 1666, hulked after sustaining storm damage in 1682 and broken up in 1685.HMS Ruby was a 54 gun fourth rate ship of the line launched in 1708. She was renamed HMS Mermaid in 1744 and was sold in 1748.HMS Ruby was a 50 gun third rate ship of the line launched in 1745 and broken up in 1765.HMS Ruby was a 64-gun third rate ship of the line launched in 1776 and broken up in 1821.HMS Ruby was an iron paddle tender launched in 1842 and sold in 1846.HMS Ruby was a wood screw gunboat launched in 1854 and broken up in 1868.HMS Ruby was a composite screw corvette launched in 1876. She was converted to a coal hulk in 1904 and renamed C 10. She was sold in 1921.HMS Ruby was an Acorn class destroyer launched in 1910 and sold in 1921.There was also HMS Ruby Prize, a 44 gun fourth rate ship of the line captured from the French in 1695 and sold in 1698.