HMS Euphrates

Four ships of the Royal Navy have borne the name HMS Euphrates, after the Euphrates river. Another three were planned but never completed:

• HMS Euphrates was a 36-gun fifth rate built as HMS Greyhound, but renamed in 1812 and launched in 1813. She was sold in 1818.
• HMS Euphrates was to have been a 46-gun fifth rate. She was laid down, but cancelled in 1831.
• HMS Euphrates was a 10-gun brig launched in 1828.
• HMS Euphrates was a paddle gunboat built in Britain and re-erected on the Tigris in 1834. Her fate is unknown.
• HMS Euphrates was to have been a wooden screw frigate, laid down in 1847 and cancelled in 1849.
• HMS Euphrates was an iron screw troopship launched in 1866 and sold in 1894.
• HMS Euphrates was to have been an Emerald-class light cruiser, laid down in 1918 and cancelled in 1919.