17 ships of the French Navy have been named Rubis ("Ruby"), or Ruby as it was spelled until the 18th century:
Rubis (1648), a 48-gun ship of the line.
Rubis (1665), a 64-gun ship of the line, captured in 1666, taken into service as HMS Ruby. She was hulked after sustaining storm damage in 1682 and broken up in 1685.
Rubis (1671), a 70-gun ship of the line, broken up in 1700.
Rubis (1672), a 50-gun ship of the line.
Rubis (1673), a fireship.
Rubis (1680), a 54-gun ship of the line, hulked in 1722.
Rubis (1704), a 56-gun ship of the line, broken up in 1729
Rubis (1707), a 56-gun ship of the line, formerly HMS Ruby captured by Mars in 1707. Broken up in 1708.
Rubis (1709), a gunboat.
Rubis (1729), a 52-gun ship of the line, captured in 1747 and taken into service as HMS Rubis and condemned in 1748.
Rubis (1744), a 20-gun corvette, broken up in 1748.
Rubis (1747), a 26-gun ship, condemned in 1747.
Rubis (1812), a 40-gun frigate. She ran aground in 1813 and was burnt to prevent capture.
Rubis (1844), a paddle corvette.
Rubis (1884), a gunboat.
Rubis (1909), an Émeraude-class submarine.
Rubis (1931), a Saphir-class minelaying submarine. She was sunk in 1958 to be used as a sonar target.
Rubis (S601), a nuclear attack submarine and lead ship her class.
