Seven ships of the Royal Navy have been named HMS Captain:
HMS Captain was a 70-gun third rate launched in 1678. She was rebuilt in 1708 and again in 1722, and converted to a hulk in 1739, finally being broken up in 1762.
HMS Captain was a 70-gun third rate launched in 1743. She was reduced to 64 guns in 1760, and converted to a storeship and renamed HMS Buffalo in 1777. She was broken up in 1783.
HMS Captain was a 74-gun third rate launched in 1787. She was assigned to harbour service in 1809 and seriously damaged by an accidental fire in 1813 and broken up a few months later.
HMS Captain was a 72-gun third rate launched in 1783 as HMS Carnatic. She was renamed HMS Captain in 1815 and was broken up in 1825.
HMS Captain was a 100-gun first rate launched in 1786 as HMS Royal Sovereign. She was renamed HMS Captain when she was reduced to harbour service in 1825. She was broken up in 1841.
HMS Captain was to have been an iron screw ship, but the name was changed and she was launched as HMS Agincourt in 1865.
HMS Captain was a masted turret ship launched in 1869. She foundered in a gale in 1870 off Cape Finisterre.
