Eleven ships of the Royal Navy have borne the name HMS Vanguard, meaning the forefront of an action or movement:
English ship Vanguard (1586) was a 31-gun galleon launched in 1586, rebuilt twice and was broken up in 1630, with some parts being reused in the next HMS Vanguard.
HMS Vanguard (1678) was a 90-gun three-decker second-rate launched in 1678, sunk in 1703 but raised in 1704, rebuilt twice and renamed HMS Duke in 1728. She was broken up in 1769.